matchstat
Profile
Stefan Kozlov
Stats
| Current Rank | 224 |
| Best Rank | 103 (17 Jul 2022) |
| Titles | 0  |
| Grand Slams | 0 |
| Main Tour | 0 |
| Masters | 0 |
| Tour Finals | 0 |
| Challengers | 0 |
| Futures | 0 |
Recent Form
L
L
L
L
L
L
W
L
W
W
| Age | 25(01 Feb 1998) |
| Country |  United States |
| Birthplace | Skopje, Macedonia |
| Height | 6'0" (183 cm) |
| Weight | 174 lbs (79 kg) |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface |  Grass 38% |
| Coach | Andrei Kozlov, Nicolas Todero |
| Turned Pro | 2013 |
| Player Status | Active |
Upcoming Match
No upcoming matches!
Performance Breakdown
Tournament Level Breakdown
W/L
| Grand Slam | 25.0% | 1 / 3 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 37.5% | 3 / 5 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 0.0% | 0 / 0 |
| Futures | 0.0% | 0 / 0 |
Opponent Rank Breakdown
W/L
| Vs No.1 | 0.0% | 0 / 1 |
| Vs Top.5 | 0.0% | 0 / 2 |
| Vs Top.10 | 0.0% | 0 / 3 |
| Vs Top.20 | 0.0% | 0 / 4 |
| Vs Top.50 | 16.7% | 1 / 5 |
| Vs Top.100 | 27.3% | 3 / 8 |
Surface Breakdown
W/L
| Overall | 33.3% | 4 / 8 |
| Hard | 40.0% | 4 / 6 |
| Clay | 0.0% | 0 / 0 |
| Indoor | 0.0% | 0 / 0 |
| Grass | 0.0% | 0 / 2 |
Round Breakdown
W/L
| Quarter-Final | 0.0% | 0 / 1 |
| Second | 33.3% | 1 / 2 |
| First | 37.5% | 3 / 5 |
Matches Played
| opponent | result | score | h2h | ||
 Dallas Open - Dallas 05 Feb 23 | |||||
| Qualifying |  Stats | L | 6-3 6-4 | H2H 0-0 | |
| Q-First | Stats | W | 6-3 6-4 | H2H 0-0 | |
| Cleveland Challenger 29 Jan 23 | |||||
| QF | Stats | L | 6-4 6-1 | H2H 0-0 | |
| R2 | Stats | W | 6-4 6-4 | H2H 0-0 | |
| R1 | ALT | Stats | W | 6-4 7-6(8) | H2H 0-0 |
 Tenerife 1 Challenger 15 Jan 23 | |||||
| R1 | Stats | L | 7-6(2) 2-6 4-1 ret. | H2H 0-0 | |
| Australian Open - Melbourne 15 Jan 23 | |||||
| Q-First | Stats | L | 7-5 6-2 | H2H 0-0 | |
| Champaign Challenger 13 Nov 22 | |||||
| R1 | Stats | L | 3-6 6-3 6-4 | H2H 0-0 | |
| Knoxville Challenger 06 Nov 22 | |||||
| QF | Stats | L | 6-3 7-5 | H2H 0-0 | |
| R2 | Stats | W | 6-4 6-3 | H2H 0-0 | |
| R1 | WC | Stats | W | 6-7(7) 6-3 6-2 | H2H 0-0 |
| Charlottesville Challenger 30 Oct 22 | |||||
| R2 | ALT | Stats | L | 6-4 7-6(3) | H2H 0-0 |
| R1 | Stats | W | 7-5 0-6 7-6(1) | H2H 0-0 | |
| Las Vegas Challenger 23 Oct 22 | |||||
| F | Stats | L | 7-5 6-3 | H2H 0-0 | |
| SF | Stats | W | 6-3 1-6 7-5 | H2H 3-2 | |
| QF | Stats | W | 6-7(5) 6-4 6-3 | H2H 0-0 | |
| R2 | Stats | W | 7-6(5) 6-2 | H2H 0-0 | |
| R1 | Stats | W | 7-5 4-6 6-1 | H2H 0-0 | |
| Fairfield Challenger 09 Oct 22 | |||||
| R1 | Stats | L | 3-6 6-2 6-3 | H2H 0-0 | |
| Tiburon Challenger 02 Oct 22 | |||||
| R2 | Stats | L | 6-1 7-5 | H2H 0-0 | |
Match Stats
Service Stats
| Aces / Game | 0.42 | 30 / 72 |
| DFs / Game | 0.39 | 28 / 72 |
| 1st Srv % | 61.4% | 286 / 466 |
| 1st Srv W % | 68.5% | 196 / 286 |
| 2nd Srv W % | 45.0% | 81 / 180 |
| Srv Pts W % | 59.4% | 277 / 466 |
Return Stats
| Opp Aces / Game | 0.31 | 22 / 72 |
| Opp DFs / Game | 0.18 | 13 / 72 |
| Opp 1st Srv % | 62.7% | 274 / 437 |
| 1st Rtn W % | 32.8% | 90 / 274 |
| 2nd Rtn W % | 52.1% | 85 / 163 |
| Rtn Pts W % | 40.0% | 175 / 437 |
Break Points (Serve)
| BPs Saved / Game | 0.42 | 30 / 72 |
| BPs Faced / Game | 0.72 | 52 / 72 |
| BP Save % | 57.7% | 30 / 52 |
| Service Hold % | 69.4% | 50 / 72 |
Break Points (Rtn)
| BPs Won / Game | 0.26 | 19 / 72 |
| BPs Opps / Game | 0.50 | 36 / 72 |
| BP Won % | 52.8% | 19 / 36 |
| Opp Hold % | 73.6% | 53 / 72 |
Stefan Kozlov interesting Heads to Heads
| Steve Johnson | H2H 3-2 |
| Sam Querrey | H2H 0-2 |
| Donald Young | H2H 0-2 |
| Michal Przysiezny | H2H 0-1 |
| Dustin Brown | H2H 1-0 |
| Adrian Menendez-Maceiras | H2H 0-1 |
| Marin Cilic | H2H 0-1 |
| Benjamin Becker | H2H 1-0 |
| Tim Smyczek | H2H 0-1 |
| Guido Pella | H2H 0-1 |
| Martin Klizan | H2H 0-1 |
| Rafael Nadal | H2H 0-1 |
Surface Summary
| year | sum. | hard | clay | i.hard | grass |
| 2022 | 4/8 | 4/6 | 0/0 | 0/0 | 0/2 |
| 2021 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2020 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2018 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2017 | 2/9 | 0/6 | 0/0 | 0/0 | 2/3 |
| 2016 | 3/2 | 0/0 | 0/0 | 0/0 | 3/2 |
| 2015 | 0/2 | 0/1 | 0/0 | 0/1 | 0/0 |
| 2014 | 0/1 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2013 | 0/1 | 0/0 | 0/0 | 0/0 | 0/1 |
Singles Titles/Finals
Titles
No Finals
Finals
Las Vegas Challenger (24 Oct 2021)
| ATP Rankings | |||
|---|---|---|---|
| 1 |  | Novak Djokovic | 7070 PTS |
| 2 |  | Carlos Alcaraz | 6730 PTS |
| 3 |  | Stefanos Tsitsipas | 6195 PTS |
| 4 |  | Casper Ruud | 5765 PTS |
| 5 |  | Andrey Rublev | 4200 PTS |
| 6 | | Rafael Nadal | 3815 PTS |
| 7 |  | Felix Auger Aliassime | 3715 PTS |
| 8 | | Taylor Harry Fritz | 3410 PTS |
| 9 |  | Holger Rune | 3046 PTS |
| 10 |  | Hubert Hurkacz | 2995 PTS |
| Live Events | |||
|---|---|---|---|
 | Cordoba Open - Cordoba Argentina | ||
 | Dallas Open - Dallas United States | ||
 | Open Sud de France - Montpellier France | ||
 | Tenerife 3 Challenger Spain | ||
 | Vilnius Challenger Lithuania | ||
 | M15 Grenoble France | ||
 | M15 Monastir Tunisia | ||
 | M15 Palm Coast United States | ||
 | M15 Sharm ElSheikh Egypt | ||
 | M25 Antalya Turkey | ||
 | M25 Bath Great Britain | ||
 | M25 Burnie Australia | ||
 | M25 Monastir Tunisia | ||
 | M25 Vila Real de Santo Antonio Portugal | ||