Match log updated: 2026-08-30 18:41 UTC
Stefan Kozlov — ATP Match Log
Main draw matches: 11 | W: 2 | L: 9 | Win %: 18.2%
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Guido Andreozzi | 4-6 1-6 | L | H2H | Match data | Aug 28, 2017 | Q1 | US Open | Grand Slam | Hard |
| Sam Querrey | 3-6 0-6 | L | H2H | Match data | Aug 15, 2017* | R64 | Cincinnati Open | Masters 1000 | Hard |
| Yuki Bhambri | 5-7 0-2 (ret.) | L | H2H | Match data | Aug 2, 2017* | R64 | Washington Open | ATP 500 | Hard |
| Quentin Halys | 5-7 6-7(7) | L | H2H | Match data | Jul 27, 2017* | R32 | Atlanta | ATP 250 | Hard |
| Brydan Klein | 6-7(9) 6-2 7-6(4) | W | H2H | Match data | Jul 24, 2017 | Q2 | Atlanta | ATP 250 | Hard |
| Catalin-Ionut Gard | 6-3 6-1 | W | H2H | Match data | Jul 24, 2017 | Q1 | Atlanta | ATP 250 | Hard |
| Adrian Menendez Maceiras | 2-6 6-7(5) | L | — | Match data | Jul 20, 2017* | R32 | Newport | ATP 250 | Grass |
| Dennis Novikov | 5-7 2-6 | L | H2H | Match data | Jul 4, 2017* | Q2 | Wimbledon | Grand Slam | Grass |
| Marc Polmans | 6-4 7-5 | W | H2H | Match data | Jul 3, 2017 | Q1 | Wimbledon | Grand Slam | Grass |
| Marin Cilic | 0-6 4-6 | L | H2H | Match data | Jun 23, 2017* | R16 | Queen's Club Championships | ATP 500 | Grass |
| Steve Johnson | 3-6 6-1 6-1 | W | H2H | Match data | Jun 22, 2017* | R32 | Queen's Club Championships | ATP 500 | Grass |
| Pierre-Hugues Herbert | 6-4 6-2 | W | H2H | Match data | Jun 19, 2017 | Q2 | Queen's Club Championships | ATP 500 | Grass |
| Kenny De Schepper | 6-7(4) 6-3 6-4 | W | H2H | Match data | Jun 19, 2017 | Q1 | Queen's Club Championships | ATP 500 | Grass |
| Ivo Karlovic | 4-6 1-6 | L | H2H | Match data | Jun 16, 2017* | R16 | Libéma Open | ATP 250 | Grass |
| Dustin Brown | 6-3 3-6 6-3 | W | H2H | Match data | Jun 15, 2017* | R32 | Libéma Open | ATP 250 | Grass |
| Sergiy Stakhovsky | 7-6(5) 4-6 4-6 | L | H2H | Match data | May 29, 2017 | Q2 | Roland Garros | Grand Slam | Clay |
| Corentin Moutet | 2-6 7-5 6-4 | W | H2H | Match data | May 28, 2017* | Q1 | Roland Garros | Grand Slam | Clay |
| Jared Donaldson | 5-7 3-6 | L | H2H | Match data | Mar 23, 2017* | Q2 | Miami Open | Masters 1000 | Hard |
| Nicola Kuhn | 6-3 3-6 6-3 | W | H2H | Match data | Mar 22, 2017* | Q1 | Miami Open | Masters 1000 | Hard |
| Donald Young | 5-7 6-7(5) | L | H2H | Match data | Mar 11, 2017* | R128 | Indian Wells Open | Masters 1000 | Hard |
| Ernesto Escobedo | 1-6 6-2 0-6 | L | H2H | Match data | Mar 1, 2017* | R32 | Mexican Open | ATP 500 | Hard |
| Jared Donaldson | 7-5 6-3 | W | H2H | Match data | Feb 27, 2017 | Q2 | Mexican Open | ATP 500 | Hard |
| Hyeon Chung | 6-2 6-2 | W | H2H | Match data | Feb 27, 2017 | Q1 | Mexican Open | ATP 500 | Hard |
| Steve Johnson | 1-6 4-6 | L | H2H | Match data | Feb 23, 2017* | R32 | Delray Beach Open | ATP 250 | Hard |
| Yuki Bhambri | 1-6 4-6 | L | H2H | Match data | Jan 16, 2017 | Q1 | Australian Open | Grand Slam | Hard |
| John-Patrick Smith | 2-6 3-6 | L | H2H | Match data | Jan 1, 2017* | Q1 | Brisbane International | ATP 250 | Hard |
15 qualifying matches shown in the table; qualifying is excluded from main-draw summaries and leaderboards. Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.