Stefan Kozlov

Stefan Kozlov (/ˈstɛfɑːn ˈkɒzlɒv/ STEF-ahn KOZ-lov;[1][2] born 1 February 1998) is an American professional tennis player of Russian descent. He is the son of Russian parents and his father is a tennis coach.[3]

Stefan Kozlov
Country (sports) United States
ResidencePembroke Pines, Florida, United States
Born (1998-02-01) 1 February 1998
Skopje, Republic of Macedonia
Height1.83 m (6 ft 0 in)
Turned pro2013
PlaysRight-handed (two-handed backhand)
Prize money$512,212
Singles
Career record5–17 (22.7%)
Career titles0
Highest rankingNo. 115 (20 February 2017)
Current rankingNo. 375 (18 January 2021)
Grand Slam Singles results
Australian OpenQ3 (2018)
French OpenQ2 (2017)
WimbledonQ2 (2017, 2018)
US OpenQ2 (2014)
Doubles
Career record0–5
Career titles0
Highest rankingNo. 180 (19 June 2017)
Current rankingNo. 1096 (18 January 2021)
Grand Slam Doubles results
US Open1R (2014)
Last updated on: 18 January 2021.

Kozlov made his ATP World Tour debut as a wild card in Newport at the age of 15. He reached two junior Grand Slam finals in 2014 and finished the year at No. 3 in the ITF Junior Combined rankings.

Junior career

In 2014, Kozlov reached two junior grand slam finals, where he lost to Alexander Zverev at the Australian Open and Noah Rubin at Wimbledon. This success led him to a career high junior ranking of No. 2.[4] Kozlov also competed at the U18 National Championships, finishing in third place in the singles tournament and winning the doubles tournament with Noah Rubin. With this victory, they earned a wild card into the main draw of the 2014 US Open. He ended the year by winning the Orange Bowl junior tournament.[5]

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

Professional career

Early years

Kozlov made his ATP World Tour debut as a wild card at the Newport tournament in 2013 and lost in the first round. At the age of 16, he defeated his first Top 100 player in Tim Smyczek to reach his first ATP Challenger final in Sacramento, where he lost to Sam Querrey. He has also reached seven career ITF Futures finals and won four of these finals.

2016: First ATP win and Challenger title

In April, Kozlov reached the final at the Open de Guadeloupe. In June, he won his first career ATP level match as a wild card at the Rosmalen Grass Court Championships in Den Bosch. Toward the end of the season, Kozlov reached a second Challenger final on the year at Suzhou. He won his first career Challenger event at Columbus.

Challenger and Futures finals

Singles: 13 (6–7)
Legend (Singles)
ATP Challenger Tour (2–3)
ITF Futures Tour (4–4)
Titles by Surface
Hard (6–7)
Clay (0–0)
Grass (0–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 Oct 2014 Sacramento, US Challenger Hard Sam Querrey 3–6, 4–6
Loss 0–2 May 2015 USA F15, Orange Park Futures Hard Darian King 2–6, 6–3, 0–6
Loss 0–3 May 2015 Mexico F3, Mexico City Futures Hard Iván Endara 1–6, 6–7(3–7)
Loss 0–4 Oct 2015 Belarus F3, Minsk Futures Hard (i) Dzmitry Zhyrmont 1–6, 4–6
Win 1–4 Oct 2015 Belarus F4, Minsk Futures Hard (i) Dzmitry Zhyrmont 6–1, 7–6(7–1)
Win 2–4 Jan 2016 USA F1, Los Angeles Futures Hard Philip Bester 7–6(9–7), 6–7(3–7), 6–3
Win 3–4 Mar 2016 Canada F2, Sherbrooke Futures Hard (i) Lloyd Glasspool 4–6, 6–4, 6–4
Loss 3–5 Apr 2016 Le Gosier, Guadeloupe Challenger Hard Malek Jaziri 2–6, 4–6
Win 4–5 Apr 2016 USA F13, Little Rock Futures Hard Eric Quigley 6–7(3–7), 6–3, 7–6(12–10)
Loss 4–6 Oct 2016 Suzhou, China Challenger Hard Lu Yen-hsun 0–6, 1–6
Win 5–6 Nov 2016 Columbus, US Challenger Hard (i) Tennys Sandgren 6–1, 2–6, 6–2
Win 6–6 Oct 2017 Las Vegas, US Challenger Hard Liam Broady 3–6, 7–5, 6–4
Loss 6–7 Mar 2019 M25 Calabasas, US ITF World Tennis Tour Hard Alexander Ritschard 2–6, 6–0, 6–7(7–5)

Doubles: 9 (4–5)
Legend (Doubles)
ATP Challenger Tour (2–3)
ITF Futures Tour (2–2)
Titles by Surface
Hard (3–2)
Clay (1–3)
Grass (0–0)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Win 1–0 Nov 2013 USA F31, Bradenton Futures Clay Sekou Bangoura Devin McCarthy
Tommy Mylnikov		 6–2, 6–4
Loss 1–1 May 2014 Spain F10, Vic Futures Clay Noah Rubin Sergio Martos Gornés
Pol Toledo Bagué		 2–6, 5–7
Win 2–1 Jan 2015 Maui, US Challenger Hard Jared Donaldson Chase Buchanan
Rhyne Williams		 6–3, 6–4
Loss 2–2 Oct 2015 Croatia F18, Solin Futures Clay Nino Serdarušić Zdeněk Kolář
Tomas Toman		 4–6, 6–2, [6–10]
Win 3–2 Mar 2016 Canada F1, Gatineau Futures Hard (i) Kaichi Uchida Sebastian Fanselow
Adrian Sikora		 7–6(7–5), 6–3
Win 4–2 Jul 2016 Winnetka, US Challenger Hard John-Patrick Smith Sekou Bangoura
David O'Hare		 6–3, 6–3
Loss 4–3 Sep 2016 Cary, US Challenger Hard Austin Krajicek Philip Bester
Peter Polansky		 2–6, 2–6
Loss 4–4 Oct 2016 Ningbo, China Challenger Hard Akira Santillan Jonathan Eysseric
Sergiy Stakhovsky		 4–6, 6–7(4–7)
Loss 4–5 Apr 2017 Sarasota, US Challenger Clay Peter Polansky Scott Lipsky
Jürgen Melzer		 2–6, 4–6

Junior Grand Slam finals

Boys' Singles
Outcome Year Championship Surface Opponent Score
Runner-up 2014 Australian Open Hard Alexander Zverev 3–6, 0–6
Runner-up 2014 Wimbledon Grass Noah Rubin 6–4, 4–6, 3–6

Boys' Doubles
Outcome Year Championship Surface Partner Opponents Score
Runner-up 2014 Wimbledon Grass Andrey Rublev Orlando Luz
Marcelo Zormann		 4–6, 6–3, 6–8

References
  1. "The pronunciation by Stefan Kozlov himself". ATPWorldTour.com. Retrieved 2018-01-10.
  2. RacquetComedy (2015-01-27). "AFULL INTERVIEW: Stefan Kozlov". YouTube. Retrieved 2018-01-25.
  3. Michelle Kaufman (9 July 2013). "Floridian Kozlov on the rise". Miami Herald. Retrieved 27 October 2017.
  4. "Stefan Kozlov junior profile". Retrieved 27 October 2017.
  5. Michelle Kaufman (14 December 2014). "Kozlov wins long-awaited Orange Bowl". Miami Herald. Retrieved 27 October 2017.
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