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Bookmaker12
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Player data
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
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26Age32
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USANationalityEcuador
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2013Turned pro2008
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RightHandednessLeft
Statistics
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
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On hardcourt outdoorTotalTotalOn hardcourt outdoor
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225434Matches441172
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111225Wins23585
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114209Losses20687
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On hardcourt outdoorPast yearPast yearOn hardcourt outdoor
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00Matches00
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00Wins00
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00Losses00
Over / under 2.5 sets
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
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Under UOver OUnder UOver O
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70% 235 / 33830% 103 / 338Everything64% 252 / 39336% 141 / 393
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69% 124 / 17931% 55 / 179Hardcourt outdoor65% 104 / 16135% 57 / 161
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0% 0 / 00% 0 / 0365 days0% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 0... on hardcourt outdoor0% 0 / 00% 0 / 0
Over / under games
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
All time - all surfaces
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Under UOver OGamesUnder UOver O
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36% 122 / 33864% 216 / 33818.526% 103 / 39374% 290 / 393
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44% 149 / 33856% 189 / 33819.535% 136 / 39365% 257 / 393
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52% 175 / 33848% 163 / 33820.540% 159 / 39360% 234 / 393
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60% 202 / 33840% 136 / 33821.545% 177 / 39355% 216 / 393
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63% 214 / 33837% 124 / 33822.552% 205 / 39348% 188 / 393
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69% 233 / 33831% 105 / 33823.559% 232 / 39341% 161 / 393
All time - hardcourt outdoor
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Under UOver OGamesUnder UOver O
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39% 70 / 17961% 109 / 17918.524% 39 / 16176% 122 / 161
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46% 83 / 17954% 96 / 17919.533% 53 / 16167% 108 / 161
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52% 93 / 17948% 86 / 17920.541% 66 / 16159% 95 / 161
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60% 107 / 17940% 72 / 17921.547% 75 / 16153% 86 / 161
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62% 111 / 17938% 68 / 17922.553% 85 / 16147% 76 / 161
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68% 122 / 17932% 57 / 17923.560% 97 / 16140% 64 / 161
Last year - all surfaces
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Under UOver OGamesUnder UOver O
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0% 0 / 00% 0 / 018.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 019.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 020.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 021.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 022.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 023.50% 0 / 00% 0 / 0
Last year - hardcourt outdoor
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Under UOver OGamesUnder UOver O
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0% 0 / 00% 0 / 018.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 019.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 020.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 021.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 022.50% 0 / 00% 0 / 0
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0% 0 / 00% 0 / 023.50% 0 / 00% 0 / 0
Latest matches
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
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MARMarcora, Roberto2-0KOZKozlov, Stefan
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PECPecotic, MatijaRet.KOZKozlov, Stefan
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SVASvajda, Zachary2-0KOZKozlov, Stefan
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KWIKwiatkowski, Thai-Son0-2KOZKozlov, Stefan
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KOZKozlov, Stefan0-2YIBWu, Yibing
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KOZKozlov, Stefan2-0HARHarrison, Ryan
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KOZKozlov, Stefan2-0KYPKypson, Patrick
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KOZKozlov, StefanRet.GIUGiustino, Lorenzo
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KOZKozlov, Stefan0-2KRUKrutykh, Oleksii
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KOZKozlov, Stefan1-2GUNGunneswaran, Prajnesh
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
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QUIQuiroz, Roberto0-2TORTorres, Juan Bautista
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QUIQuiroz, Roberto1-2PANPanta Herreros, Jorge Brian
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QUIQuiroz, Roberto1-2COUCouacaud, Enzo
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SHEShelton, Ben2-1QUIQuiroz, Roberto
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QUIQuiroz, Roberto2-0KINKingsley, Cannon
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COUCouacaud, Enzo2-0QUIQuiroz, Roberto
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QUIQuiroz, Roberto0-2RITRitschard, Alexander
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QUIQuiroz, Roberto0-2HUEHuesler, Marc-Andrea
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GIAGiannessi, AlessandroRet.QUIQuiroz, Roberto
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ETCEtcheverry, Tomas Martin2-0QUIQuiroz, Roberto
Latest matches on hardcourt outdoor
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
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MARMarcora, Roberto2-0KOZKozlov, Stefan
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PECPecotic, MatijaRet.KOZKozlov, Stefan
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KOZKozlov, StefanRet.GIUGiustino, Lorenzo
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KOZKozlov, Stefan0-2KRUKrutykh, Oleksii
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SANSandgren, Tennys2-0KOZKozlov, Stefan
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KOZKozlov, Stefan2-1JOHJohnson, Steve
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GALGalarneau, Alexis1-2KOZKozlov, Stefan
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ZHUZhu, Evan0-2KOZKozlov, Stefan
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KINKingsley, Cannon1-2KOZKozlov, Stefan
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RIFRiffice, Sam2-1KOZKozlov, Stefan
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
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QUIQuiroz, Roberto1-2COUCouacaud, Enzo
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SHEShelton, Ben2-1QUIQuiroz, Roberto
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QUIQuiroz, Roberto2-0KINKingsley, Cannon
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QUIQuiroz, Roberto1-2KOVKovacevic, Aleksandar
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BROBrouwer, Gijs0-2QUIQuiroz, Roberto
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CHUChung, Yunseong1-2QUIQuiroz, Roberto
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QUIQuiroz, Roberto1-2UCHUchida, Kaichi
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QUIQuiroz, RobertoRet.GOMGomez, Emilio
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QUIQuiroz, Roberto2-0PECPecotic, Matija
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MMOMmoh, Michael0-2QUIQuiroz, Roberto
Mutual matches
Mutual stats
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
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1Wins1
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1Wins on surface1
![Krstin, Pedja](https://theplayer.com/graphics/flags/24/RS.png)
![Gomez, Lucas](https://theplayer.com/graphics/flags/24/MX.png)
![Barrios Vera, Marcelo Tomas](https://theplayer.com/graphics/flags/24/CL.png)
![Descotte, Matias Franco](https://theplayer.com/graphics/flags/24/AR.png)
![Ugo Carabelli, Camilo](https://theplayer.com/graphics/flags/24/AR.png)
![Fanselow, Sebastian](https://theplayer.com/graphics/flags/24/DE.png)
![Ortega-Olmedo, Roberto](https://theplayer.com/graphics/flags/24/ES.png)
![Boluda-Purkiss, Carlos](https://theplayer.com/graphics/flags/24/ES.png)
![Varillas, Juan Pablo](https://theplayer.com/graphics/flags/24/PE.png)
![Menezes, Joao](https://theplayer.com/graphics/flags/24/BR.png)
![Sels, Jelle](https://theplayer.com/graphics/flags/24/NL.png)
![Torpegaard, Mikael](https://theplayer.com/graphics/flags/24/DK.png)
![Escobedo, Ernesto](https://theplayer.com/graphics/flags/24/MX.png)
![Lopez Villasenor, Gerardo](https://theplayer.com/graphics/flags/24/MX.png)
![Nguyen, Daniel](https://theplayer.com/graphics/flags/24/US.png)
![Gonzalez, Alejandro](https://theplayer.com/graphics/flags/24/CO.png)
![Haerteis, Johannes](https://theplayer.com/graphics/flags/24/DE.png)
![King, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Novikov, Dennis](https://theplayer.com/graphics/flags/24/US.png)
![Sanchez, Manuel](https://theplayer.com/graphics/flags/24/MX.png)
![Villanueva, Gonzalo](https://theplayer.com/graphics/flags/24/AR.png)
![Olivo, Renzo](https://theplayer.com/graphics/flags/24/AR.png)
![Hernandez, Alex](https://theplayer.com/graphics/flags/24/MX.png)
![Cid Subervi, Roberto](https://theplayer.com/graphics/flags/24/DO.png)
![Harrison, Christian](https://theplayer.com/graphics/flags/24/US.png)
![Guinard, Manuel](https://theplayer.com/graphics/flags/24/FR.png)
![Collarini, Andrea](https://theplayer.com/graphics/flags/24/AR.png)
![Escobar, Gonzalo](https://theplayer.com/graphics/flags/24/EC.png)
![Tokuda, Renta](https://theplayer.com/graphics/flags/24/JP.png)
![Kwiatkowski, Thai-Son](https://theplayer.com/graphics/flags/24/US.png)
![Blanch, Ulises](https://theplayer.com/graphics/flags/24/US.png)
![Mena, Facundo](https://theplayer.com/graphics/flags/24/AR.png)
![Huesler, Marc-Andrea](https://theplayer.com/graphics/flags/24/CH.png)
![Pellegrino, Andrea](https://theplayer.com/graphics/flags/24/IT.png)
![Gomez, Emilio](https://theplayer.com/graphics/flags/24/EC.png)
![Galan, Daniel Elahi](https://theplayer.com/graphics/flags/24/CO.png)
![Giraldo, Santiago](https://theplayer.com/graphics/flags/24/CO.png)
![Redlicki, Michael](https://theplayer.com/graphics/flags/24/US.png)
![Wang, Tak Khunn](https://theplayer.com/graphics/flags/24/FR.png)
![Diez, Steven](https://theplayer.com/graphics/flags/24/CA.png)
![Estrella Burgos, Victor](https://theplayer.com/graphics/flags/24/DO.png)
![Pavic, Ante](https://theplayer.com/graphics/flags/24/HR.png)
![Sarkissian, Alexander](https://theplayer.com/graphics/flags/24/US.png)
![Song, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Souza, Joao](https://theplayer.com/graphics/flags/24/BR.png)
![Patino, Luis](https://theplayer.com/graphics/flags/24/MX.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
![Krstin, Pedja](https://theplayer.com/graphics/flags/24/RS.png)
![Barrios Vera, Marcelo Tomas](https://theplayer.com/graphics/flags/24/CL.png)
![Descotte, Matias Franco](https://theplayer.com/graphics/flags/24/AR.png)
![Fanselow, Sebastian](https://theplayer.com/graphics/flags/24/DE.png)
![Ortega-Olmedo, Roberto](https://theplayer.com/graphics/flags/24/ES.png)
![Boluda-Purkiss, Carlos](https://theplayer.com/graphics/flags/24/ES.png)
![Menezes, Joao](https://theplayer.com/graphics/flags/24/BR.png)
![Torpegaard, Mikael](https://theplayer.com/graphics/flags/24/DK.png)
![Escobedo, Ernesto](https://theplayer.com/graphics/flags/24/MX.png)
![Lopez Villasenor, Gerardo](https://theplayer.com/graphics/flags/24/MX.png)
![Gonzalez, Alejandro](https://theplayer.com/graphics/flags/24/CO.png)
![King, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Novikov, Dennis](https://theplayer.com/graphics/flags/24/US.png)
![Sanchez, Manuel](https://theplayer.com/graphics/flags/24/MX.png)
![Olivo, Renzo](https://theplayer.com/graphics/flags/24/AR.png)
![Cid Subervi, Roberto](https://theplayer.com/graphics/flags/24/DO.png)
![Harrison, Christian](https://theplayer.com/graphics/flags/24/US.png)
![Guinard, Manuel](https://theplayer.com/graphics/flags/24/FR.png)
![Escobar, Gonzalo](https://theplayer.com/graphics/flags/24/EC.png)
![Kwiatkowski, Thai-Son](https://theplayer.com/graphics/flags/24/US.png)
![Blanch, Ulises](https://theplayer.com/graphics/flags/24/US.png)
![Mena, Facundo](https://theplayer.com/graphics/flags/24/AR.png)
![Gomez, Emilio](https://theplayer.com/graphics/flags/24/EC.png)
![Galan, Daniel Elahi](https://theplayer.com/graphics/flags/24/CO.png)
![Giraldo, Santiago](https://theplayer.com/graphics/flags/24/CO.png)
![Redlicki, Michael](https://theplayer.com/graphics/flags/24/US.png)
![Diez, Steven](https://theplayer.com/graphics/flags/24/CA.png)
![Pavic, Ante](https://theplayer.com/graphics/flags/24/HR.png)
![Sarkissian, Alexander](https://theplayer.com/graphics/flags/24/US.png)
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Souza, Joao](https://theplayer.com/graphics/flags/24/BR.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
![Barrios Vera, Marcelo Tomas](https://theplayer.com/graphics/flags/24/CL.png)
![Descotte, Matias Franco](https://theplayer.com/graphics/flags/24/AR.png)
![Ortega-Olmedo, Roberto](https://theplayer.com/graphics/flags/24/ES.png)
![Menezes, Joao](https://theplayer.com/graphics/flags/24/BR.png)
![Lopez Villasenor, Gerardo](https://theplayer.com/graphics/flags/24/MX.png)
![King, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Novikov, Dennis](https://theplayer.com/graphics/flags/24/US.png)
![Olivo, Renzo](https://theplayer.com/graphics/flags/24/AR.png)
![Harrison, Christian](https://theplayer.com/graphics/flags/24/US.png)
![Escobar, Gonzalo](https://theplayer.com/graphics/flags/24/EC.png)
![Mena, Facundo](https://theplayer.com/graphics/flags/24/AR.png)
![Galan, Daniel Elahi](https://theplayer.com/graphics/flags/24/CO.png)
![Giraldo, Santiago](https://theplayer.com/graphics/flags/24/CO.png)
![Diez, Steven](https://theplayer.com/graphics/flags/24/CA.png)
![Kozlov, Stefan](https://theplayer.com/graphics/flags/24/US.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
![Descotte, Matias Franco](https://theplayer.com/graphics/flags/24/AR.png)
![Ortega-Olmedo, Roberto](https://theplayer.com/graphics/flags/24/ES.png)
![King, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Olivo, Renzo](https://theplayer.com/graphics/flags/24/AR.png)
![Escobar, Gonzalo](https://theplayer.com/graphics/flags/24/EC.png)
![Mena, Facundo](https://theplayer.com/graphics/flags/24/AR.png)
![Diez, Steven](https://theplayer.com/graphics/flags/24/CA.png)
![Quiroz, Roberto](https://theplayer.com/graphics/flags/24/EC.png)
![Escobar, Gonzalo](https://theplayer.com/graphics/flags/24/EC.png)