Head 2 Head
Win Loss Stats
Kozlov
LWWWWWWWLW
Isner
2025
2024
2023
28 - 12
0 - 0
12-6
Hard
0-0
10-3
I Hard
0-0
6-2
Clay
0-0
Stefan Kozlov
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 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 | 346-260 | 166-134 | 79-54 | 86-48 | 15-24 | 0-0 |
Bogota Challenger
-
Juan Sebastian GomezJ.GomezCOL Loss
- 4-6 6-4 7-5
- 1/4
-
28 Nov 25
-
David Jorda SanchisD.SanchisESP
- 6-4 6-4
- 2nd
-
27 Nov 25
-
Juan Bautista TorresJ.TorresARG
- 6-0 4-6 6-3
- 1st
-
25 Nov 25
Champaign Challenger
-
Murphy CassoneM.CassoneUSA
- 7-63 7-5
- Fin.
-
16 Nov 25
-
Cedrik-Marcel StebeC.StebeGER
- 6-0 4-0 ret.
- 1/2
-
15 Nov 25
-
Darwin BlanchD.BlanchUSA
- 6-2 6-77 6-3
- 1/4
-
14 Nov 25
-
Tyler ZinkT.ZinkUSA
- 6-3 6-3
- 2nd
-
13 Nov 25
-
Leo BorgL.BorgSWE
- 6-1 6-0
- 1st
-
11 Nov 25
Knoxville Challenger
-
Jay ClarkeJ.ClarkeGBR Loss
- 6-2 2-6 6-3
- 2nd
-
05 Nov 25
-
Dominique RollandD.RollandFRA
- 7-61 2-6 6-1
- 1st
-
03 Nov 25
John Isner
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 0-0 | - | - | - | - | - |
| 2024 | 0-0 | - | - | - | - | - |
| 2023 | 9-14 | 2-9 | 0-2 | 4-1 | 3-2 | 0-0 |
| 2022 | 23-17 | 9-9 | 7-4 | 3-2 | 4-2 | 0-0 |
| 2021 | 23-13 | 18-7 | 5-2 | 0-3 | 0-1 | 0-0 |
| 2020 | 10-10 | 9-8 | 1-1 | 0-1 | 0-0 | 0-0 |
| 2019 | 30-18 | 22-14 | 0-0 | 3-3 | 5-1 | 0-0 |
| 2018 | 34-24 | 16-9 | 8-5 | 5-9 | 5-1 | 0-0 |
| 2017 | 39-23 | 20-12 | 7-4 | 6-4 | 6-3 | 0-0 |
| 2016 | 33-21 | 16-11 | 5-5 | 7-3 | 5-2 | 0-0 |
| 2015 | 45-25 | 26-10 | 10-6 | 5-6 | 4-3 | 0-0 |
| 2014 | 39-20 | 27-11 | 6-5 | 2-2 | 4-2 | 0-0 |
| 2013 | 39-24 | 22-10 | 8-5 | 5-6 | 4-3 | 0-0 |
| 2012 | 45-21 | 24-9 | 10-7 | 3-3 | 8-2 | 0-0 |
| 2011 | 36-21 | 22-10 | 4-7 | 4-3 | 6-1 | 0-0 |
| 2010 | 38-26 | 22-9 | 8-10 | 7-6 | 1-1 | 0-0 |
| 2009 | 41-23 | 31-15 | 4-2 | 6-6 | 0-0 | 0-0 |
| 2008 | 26-25 | 19-14 | 4-5 | 2-2 | 1-4 | 0-0 |
| 2007 | 32-13 | 22-7 | 0-0 | 8-4 | 0-1 | 2-1 |
| 2006 | 5-4 | 5-4 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2005 | 7-4 | 7-4 | 0-0 | 0-0 | 0-0 | 0-0 |
| Total | 554-346 | 339-182 | 87-70 | 70-64 | 56-29 | 2-1 |
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