Results

ATP Acapulco 02/22 02:55 14 [105] Patrick Kypson v Stefan Kozlov [272] 7-6,6-0
Challenger Metepec 02/20 21:30 27 [272] Stefan Kozlov v Rodrigo Pacheco Mendez [228] 4-6,2-6
Challenger Metepec 02/18 16:10 26 [272] Stefan Kozlov v Karl Poling [284] 6-4,7-6
Challenger Metepec 02/16 20:10 25 Stefan Kozlov v Tristan McCormick 6-3,6-7,6-4
Challenger Baton Rouge 02/10 18:40 25 Stefan Dostanic v Stefan Kozlov CANC
Challenger Cleveland 02/06 16:00 27 [283] Stefan Kozlov v Keegan Smith [338] 3-6,2-6
Challenger Cleveland 02/04 18:50 26 [283] Stefan Kozlov v Raphael Perot [404] 7-6,3-6,6-3
Challenger Cleveland 02/02 22:00 25 [283] Stefan Kozlov v Cedrik-Marcel Stebe [320] 3-6,6-2,6-3
Challenger San Diego 01/28 19:40 25 [144] Sho Shimabukuro v Stefan Kozlov [285] 6-2,4-6,7-6
Challenger Oeiras 01/22 13:00 26 [285] Stefan Kozlov v Francesco Passaro [140] 3-6,6-1,1-6
Challenger Oeiras 01/20 18:55 25 [214] Alexis Galarneau v Stefan Kozlov [285] 6-7,6-2,1-6
Challenger Oeiras 01/19 12:30 19 [285] Stefan Kozlov v Mikhail Kukushkin [262] 6-4,6-2

Wikipedia - Stefan Kozlov

Stefan Kozlov (Russian: Стефан Козлов, STEF-ahn KOZ-lov; born February 1, 1998) is an American professional tennis player of Russian descent. He has a career-high ATP ranking of world No. 103 achieved on 18 July 2022 and doubles ranking of world No. 180 on 19 June 2017.

Kozlov made his ATP World Tour debut as a wildcard in 2013 Hall of Fame Tennis Championships at the age of 15. He reached two junior Grand Slam finals in 2014 and finished the year at World No. 3 in the ITF Junior Combined rankings.