Head 2 Head
Win Loss Stats
Kozlov
LLLWLLLWLL
Stebe
LLLLWW
2026
2025
2024
22 - 23
2 - 4
7-13
Hard
2-3
7-4
I Hard
0-1
5-5
Clay
0-0
3-1
Grass
0-0
- S.Kozlov (7)
- C.Stebe
- 3-6 6-2 6-3
- 1st
-
02 Feb 26
-
Cleveland Challenger -
-
I.hard
-
-
15 Nov 25
-
Champaign Challenger -
-
I.hard
-
Latest Tonic News
-
“It was just a kind of a dog fight in the third,” Learner Tien reflects on Laver Cup victory
-
“Bloody oath it is. It’s massive,” Pat Rafter hails Alex de Minaur after comeback win over Alexander Zverev
-
Alexander Zverev holds the worst 2026 record against top 10 opponents
-
Arthur Fils forced into Tokyo qualifying after missing entry deadline
Stefan Kozlov
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 22-23 | 7-13 | 5-5 | 7-4 | 3-1 | 0-0 |
| 2025 | 28-12 | 12-6 | 6-2 | 10-3 | 0-1 | 0-0 |
| 2024 | 37-19 | 16-9 | 17-8 | 4-2 | 0-0 | 0-0 |
| 2023 | 6-12 | 1-6 | 0-0 | 5-6 | 0-0 | 0-0 |
| 2022 | 21-34 | 14-18 | 0-5 | 4-5 | 3-6 | 0-0 |
| 2021 | 41-15 | 20-12 | 5-2 | 16-1 | 0-0 | 0-0 |
| 2020 | 13-13 | 7-8 | 0-0 | 6-5 | 0-0 | 0-0 |
| 2019 | 22-18 | 14-9 | 4-4 | 4-5 | 0-0 | 0-0 |
| 2018 | 13-26 | 4-12 | 7-6 | 1-4 | 1-4 | 0-0 |
| 2017 | 31-29 | 15-14 | 8-8 | 3-2 | 5-5 | 0-0 |
| 2016 | 58-31 | 28-15 | 10-6 | 16-5 | 4-5 | 0-0 |
| 2015 | 44-27 | 15-12 | 10-5 | 17-8 | 2-2 | 0-0 |
| 2014 | 17-15 | 15-10 | 2-3 | 0-2 | 0-0 | 0-0 |
| 2013 | 13-8 | 3-2 | 10-5 | 0-0 | 0-1 | 0-0 |
| 2012 | 2-1 | 2-1 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 368-283 | 173-147 | 84-59 | 93-52 | 18-25 | 0-0 |
San Diego 2 Challenger
-
Colton SmithC.SmithUSA Loss
- 6-4 6-2
- 1st
-
22 Sep 26
Tiburon Challenger
-
Darwin BlanchD.BlanchUSA Loss
- 6-3 2-6 7-610
- 1st
-
15 Sep 26
Brownsburg Challenger
-
Harry WendelkenH.WendelkenGBR Loss
- 2-6 6-4 6-1
- 2nd
-
13 Aug 26
-
Aidan MayoA.MayoUSA
- 6-3 5-7 6-2
- 1st
-
12 Aug 26
Washington
-
Zachary SvajdaZ.SvajdaUSA Loss
- 7-5 6-1
- q1
-
25 Jul 26
Bloomfield Hills Challenger
-
Alan MagadanA.MagadanMEX Loss
- 3-6 6-1 7-64
- 1st
-
21 Jul 26
-
Roger Pascual FerraR.FerraESP Loss
- 6-4 6-4
- Q.
-
20 Jul 26
-
Leo VithoontienL.VithoontienJPN
- 4-6 6-1 6-2
- q1
-
19 Jul 26
Pozoblanco Challenger
-
Yi ZhouY.ZhouCHN Loss
- 6-3 3-6 6-4
- 1st
-
14 Jul 26
Newport Challenger
-
Jacob FearnleyJ.FearnleyGBR Loss
- 3-6 6-3 6-2
- 2nd
-
10 Jul 26
Cedrik-Marcel Stebe
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 2-4 | 2-3 | 0-0 | 0-1 | 0-0 | 0-0 |
| 2025 | 28-15 | 0-1 | 18-9 | 10-4 | 0-0 | 0-1 |
| 2024 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2023 | 0-2 | 0-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2022 | 28-25 | 2-6 | 10-13 | 15-5 | 1-1 | 0-0 |
| 2021 | 14-20 | 4-7 | 9-9 | 1-1 | 0-3 | 0-0 |
| 2020 | 18-11 | 5-4 | 4-4 | 9-2 | 0-0 | 0-1 |
| 2019 | 18-18 | 1-3 | 6-8 | 11-6 | 0-1 | 0-0 |
| 2018 | 0-2 | 0-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2017 | 58-21 | 10-4 | 39-11 | 8-5 | 0-0 | 1-1 |
| 2016 | 20-13 | 4-1 | 13-8 | 3-3 | 0-1 | 0-0 |
| 2015 | 9-2 | 9-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2014 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2013 | 30-21 | 7-4 | 20-12 | 1-3 | 2-2 | 0-0 |
| 2012 | 15-21 | 3-9 | 8-7 | 3-3 | 1-2 | 0-0 |
| 2011 | 66-23 | 30-5 | 16-10 | 7-4 | 6-2 | 7-2 |
| 2010 | 26-20 | 0-0 | 24-14 | 2-5 | 0-0 | 0-1 |
| 2009 | 23-24 | 4-6 | 18-15 | 1-1 | 0-0 | 0-2 |
| 2008 | 13-9 | 10-5 | 2-3 | 0-0 | 1-1 | 0-0 |
| Total | 368-251 | 91-64 | 187-123 | 71-43 | 11-13 | 8-8 |
Cleveland Challenger
-
Stefan KozlovS.KozlovUSA Loss
- 3-6 6-2 6-3
- 1st
-
02 Feb 26
San Diego Challenger
-
Mitchell KruegerM.KruegerUSA Loss
- 6-1 6-1
- 1st
-
27 Jan 26
Nonthaburi 2 Challenger
-
Thanapet ChantaT.ChantaTHA Loss
- 1-6 7-61 6-3
- q1
-
11 Jan 26
Bengaluru Challenger
-
Pedro Martinez PorteroP.PorteroESP Loss
- 6-2 6-0
- 1/4
-
08 Jan 26
-
Borna GojoB.GojoCRO
- 7-5 7-69
- 2nd
-
07 Jan 26
-
Max HoukesM.HoukesNED
- 4-6 6-3 6-1
- 1st
-
06 Jan 26
H2H Ranking live progression
