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Bookmaker12
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Player data
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
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31Age30
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USANationalityGermany
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-Turned pro-
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-HandednessLeft
Statistics
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
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On hardcourt outdoorTotalTotalOn hardcourt outdoor
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76149Matches443194
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4478Wins20988
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3271Losses234106
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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
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
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Under UOver OUnder UOver O
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79% 81 / 10321% 22 / 103Everything63% 248 / 39637% 148 / 396
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79% 34 / 4321% 9 / 43Hardcourt outdoor63% 111 / 17537% 64 / 175
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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
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
All time - all surfaces
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Under UOver OGamesUnder UOver O
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55% 57 / 10345% 46 / 10318.531% 124 / 39669% 272 / 396
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64% 66 / 10336% 37 / 10319.540% 160 / 39660% 236 / 396
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70% 72 / 10330% 31 / 10320.548% 189 / 39652% 207 / 396
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73% 75 / 10327% 28 / 10321.552% 207 / 39648% 189 / 396
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77% 79 / 10323% 24 / 10322.558% 229 / 39642% 167 / 396
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80% 82 / 10320% 21 / 10323.564% 253 / 39636% 143 / 396
All time - hardcourt outdoor
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Under UOver OGamesUnder UOver O
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53% 23 / 4347% 20 / 4318.527% 47 / 17573% 128 / 175
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65% 28 / 4335% 15 / 4319.537% 64 / 17563% 111 / 175
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70% 30 / 4330% 13 / 4320.547% 82 / 17553% 93 / 175
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72% 31 / 4328% 12 / 4321.551% 90 / 17549% 85 / 175
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77% 33 / 4323% 10 / 4322.557% 100 / 17543% 75 / 175
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79% 34 / 4321% 9 / 4323.565% 113 / 17535% 62 / 175
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
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
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JOHJohns, Collin1-2OREOre, Israel Alexander
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JOHJohns, Collin0-2ROSRoss, Gianni
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STRStrode, Isaiah0-2JOHJohns, Collin
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TIKTikhomirov, Maksim0-2JOHJohns, Collin
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JOHJohns, Collin0-2KALKalovelonis, Markos
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ARCArconada, Jordi2-0JOHJohns, Collin
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RODRodriguez-Pace, Ricardo2-0JOHJohns, Collin
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JOHJohns, Collin0-2BULBulis, Mor
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JOHJohns, CollinRet.TAMTamar, Gilad
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JOHJohns, Collin0-2VANVandenbulcke, Yannick
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
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LAVLavagno, Edoardo0-2KOEKoepfer, Dominik
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KOEKoepfer, Dominik2-1VARVarillas, Juan Pablo
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KOEKoepfer, Dominik2-0ZEPZeppieri, Giulio
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MENMensik, Jakub2-0KOEKoepfer, Dominik
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KOEKoepfer, Dominik2-0KICKicker, Nicolas
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KOEKoepfer, Dominik2-1KLEKlein, Lukas
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KOEKoepfer, DominikRet.FURFurness, Evan
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KOEKoepfer, DominikRet.ELIElias, Gastao
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KRAKrajinovic, Filip2-0KOEKoepfer, Dominik
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KOEKoepfer, Dominik2-1GOMGombos, Norbert
Latest matches on hardcourt outdoor
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
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JOHJohns, Collin0-2BULBulis, Mor
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JOHJohns, CollinRet.TAMTamar, Gilad
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JOHJohns, Collin0-2VANVandenbulcke, Yannick
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JOHJohns, Collin2-0RADRadionov, Motvey
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JOHJohns, Collin2-0COHCohen, Amit
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JOHJohns, CollinRet.GREGreif, Lukas
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JOHJohns, Collin2-0ALOAlonte, Daniel
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JOHJohns, Collin2-0HEAHealy, Brian
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JOHJohns, Collin0-2HERHernandez-Fernandez, Jose
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GREGreif, Lukas0-2JOHJohns, Collin
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
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ALTAltmaier, Daniel2-1KOEKoepfer, Dominik
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TRUTrungelliti, Marco2-1KOEKoepfer, Dominik
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KOEKoepfer, Dominik0-2MMOMmoh, Michael
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KUDKudla, Denis0-2KOEKoepfer, Dominik
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SANSandgren, Tennys0-2KOEKoepfer, Dominik
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SMISmith, Keegan1-2KOEKoepfer, Dominik
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KOVKovacevic, Aleksandar0-2KOEKoepfer, Dominik
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BRABrancaccio, Raul2-0KOEKoepfer, Dominik
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KOEKoepfer, Dominik1-2LESLestienne, Constant
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KOEKoepfer, Dominik2-0PIRPiros, Zsombor
Mutual matches
Mutual stats
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
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0Wins1
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0Wins on surface1
![Bega, Alessandro](https://theplayer.com/graphics/flags/24/IT.png)
![Lenz, Julian](https://theplayer.com/graphics/flags/24/DE.png)
![Vale, Duarte](https://theplayer.com/graphics/flags/24/PT.png)
![Catanzariti, A. J.](https://theplayer.com/graphics/flags/24/US.png)
![Chang, Jonathan](https://theplayer.com/graphics/flags/24/US.png)
![Vaks, Mikhail](https://theplayer.com/graphics/flags/24/RU.png)
![Lewis, Haydn](https://theplayer.com/graphics/flags/24/BB.png)
![Lock, Benjamin](https://theplayer.com/graphics/flags/24/ZW.png)
![Fanselow, Sebastian](https://theplayer.com/graphics/flags/24/DE.png)
![Spencer, Wil](https://theplayer.com/graphics/flags/24/US.png)
![Kadhe, Arjun](https://theplayer.com/graphics/flags/24/IN.png)
![McNally, John](https://theplayer.com/graphics/flags/24/US.png)
![Arconada, Jordi](https://theplayer.com/graphics/flags/24/US.png)
![Stillman, Tomas](https://theplayer.com/graphics/flags/24/US.png)
![Dougaz, Aziz](https://theplayer.com/graphics/flags/24/TN.png)
![Bambridge, Luke](https://theplayer.com/graphics/flags/24/GB.png)
![Schnur, Brayden](https://theplayer.com/graphics/flags/24/CA.png)
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Cash, Julian](https://theplayer.com/graphics/flags/24/GB.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
![Chappell, Nick](https://theplayer.com/graphics/flags/24/US.png)
![Lovett, Korey](https://theplayer.com/graphics/flags/24/US.png)
![Hiltzik, Jared](https://theplayer.com/graphics/flags/24/US.png)
![King, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Austin, Gonzales](https://theplayer.com/graphics/flags/24/US.png)
![Reese, Hunter](https://theplayer.com/graphics/flags/24/US.png)
![Lin, Winston](https://theplayer.com/graphics/flags/24/US.png)
![Nuez Delgado, Guanarteme](https://theplayer.com/graphics/flags/24/ES.png)
![Zhu, Evan](https://theplayer.com/graphics/flags/24/US.png)
![Benitez Chavarriaga, Juan Manuel](https://theplayer.com/graphics/flags/24/CO.png)
![Ignat, Dragos Constantin](https://theplayer.com/graphics/flags/24/RO.png)
![Corrie, Edward](https://theplayer.com/graphics/flags/24/GB.png)
![Lenz, Julian](https://theplayer.com/graphics/flags/24/DE.png)
![Catanzariti, A. J.](https://theplayer.com/graphics/flags/24/US.png)
![Chang, Jonathan](https://theplayer.com/graphics/flags/24/US.png)
![Lock, Benjamin](https://theplayer.com/graphics/flags/24/ZW.png)
![Spencer, Wil](https://theplayer.com/graphics/flags/24/US.png)
![McNally, John](https://theplayer.com/graphics/flags/24/US.png)
![Stillman, Tomas](https://theplayer.com/graphics/flags/24/US.png)
![Bambridge, Luke](https://theplayer.com/graphics/flags/24/GB.png)
![Johns, Collin](https://theplayer.com/graphics/flags/24/US.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
![Chappell, Nick](https://theplayer.com/graphics/flags/24/US.png)
![Hiltzik, Jared](https://theplayer.com/graphics/flags/24/US.png)
![Austin, Gonzales](https://theplayer.com/graphics/flags/24/US.png)
![Nuez Delgado, Guanarteme](https://theplayer.com/graphics/flags/24/ES.png)
![Benitez Chavarriaga, Juan Manuel](https://theplayer.com/graphics/flags/24/CO.png)
![Ignat, Dragos Constantin](https://theplayer.com/graphics/flags/24/RO.png)
![Catanzariti, A. J.](https://theplayer.com/graphics/flags/24/US.png)
![Lock, Benjamin](https://theplayer.com/graphics/flags/24/ZW.png)
![Spencer, Wil](https://theplayer.com/graphics/flags/24/US.png)
![Bambridge, Luke](https://theplayer.com/graphics/flags/24/GB.png)
![Koepfer, Dominik](https://theplayer.com/graphics/flags/24/DE.png)
![Hiltzik, Jared](https://theplayer.com/graphics/flags/24/US.png)
![Nuez Delgado, Guanarteme](https://theplayer.com/graphics/flags/24/ES.png)
![Ignat, Dragos Constantin](https://theplayer.com/graphics/flags/24/RO.png)