20 Facts About Stefan Kozlov

1.

Stefan Kozlov is an American professional tennis player of Russian descent.

2.

Stefan Kozlov 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.

3.

Stefan Kozlov reached two junior Grand Slam finals in 2014 and finished the year at World No 3 in the ITF Junior Combined rankings.

4.

Stefan Kozlov is the son of Russian parents and his father Andrei is a tennis coach.

5.

In 2014, Stefan Kozlov reached two junior grand slam finals, where he lost to Alexander Zverev at the Australian Open and Noah Rubin at Wimbledon.

6.

Stefan Kozlov competed at the U18 National Championships, finishing in third place in the singles tournament and winning the doubles tournament with Noah Rubin.

7.

Stefan Kozlov ended the year by winning the Orange Bowl junior tournament.

8.

In 2015, Stefan Kozlov reached the final of the U18 National Championships, where he lost to Frances Tiafoe in five sets.

9.

In 2013, Stefan Kozlov made his ATP World Tour debut as a wildcard at the Newport tournament and lost in the first round.

10.

Stefan Kozlov reached seven career ITF Futures finals and won four of these finals.

11.

Stefan Kozlov reached his first career quarterfinal by defeating Steve Johnson in the second round.

12.

Toward the end of the season, Stefan Kozlov reached a second Challenger final on the year at Suzhou.

13.

Stefan Kozlov won his first career Challenger event in Columbus.

14.

Stefan Kozlov won his second title at the 2017 Las Vegas Challenger.

15.

In September, at the 2021 Columbus Challenger, Stefan Kozlov won his first title in four years, defeating Max Purcell in the final in three sets.

16.

Stefan Kozlov followed this by a final at the 2021 Las Vegas Challenger and a second Challenger title for the season at the 2021 Charlottesville Men's Pro Challenger, defeating another Australian Aleksandar Vukic.

17.

Stefan Kozlov ended the year with winning his third Challenger in Champaign, US.

18.

Stefan Kozlov lost in the second round to 7th seed Matteo Berrettini.

19.

Stefan Kozlov lost in straight sets to 12th seed Diego Schwartzman.

20.

Stefan Kozlov reached a new career high ranking of No 103 on 18 July 2022.