Head 2 Head
Win Loss Stats
Kozlov
LWLLLWLLLW
Sandgren
2026
2025
2024
23 - 24
0 - 0
7-13
Hard
0-0
8-5
I Hard
0-0
5-5
Clay
0-0
3-1
Grass
0-0
- S.Kozlov (WC)
- T.Sandgren
- 6-2 6-75 6-1
- 2nd
-
17 Apr 24
-
Tallahassee Challenger -
-
Clay
-
- T.Sandgren (ALT)
- S.Kozlov (q)
- 6-1 6-4
- 1/4
-
-
12 Apr 24
-
Sarasota Challenger -
-
Clay
-
-
- T.Sandgren (q)
- S.Kozlov (4)
- 7-5 6-3
- Fin.
-
-
30 Oct 22
-
Las Vegas Challenger -
-
Hard
-
-
- T.Sandgren (2)
- S.Kozlov
- 6-3 6-2
- 2nd
-
-
24 Apr 19
-
Tallahassee Challenger -
-
Clay
-
-
- S.Kozlov (4)
- T.Sandgren (1)
- 6-3 7-66
- 1/2
-
-
21 Oct 17
-
Las Vegas Challenger -
-
Hard
-
-
- S.Kozlov (4)
- T.Sandgren (6)
- 6-1 2-6 6-2
- Fin.
-
-
27 Nov 16
-
Columbus Challenger -
-
I.hard
-
-
- S.Kozlov (8)
- T.Sandgren
- 6-2 6-4
- 2nd
-
-
10 Nov 16
-
Knoxville Challenger -
-
I.hard
-
-
- S.Kozlov (3)
- T.Sandgren (2)
- 6-2 6-4
- 1/2
-
-
16 Apr 16
-
USA F13 -
-
Hard
-
-
- S.Kozlov (6)
- T.Sandgren (1)
- 6-1 6-1
- 1/2
-
-
09 Jan 16
-
USA F1 -
-
Hard
-
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Stefan Kozlov
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 23-24 | 7-13 | 5-5 | 8-5 | 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 | 369-284 | 173-147 | 84-59 | 94-53 | 18-25 | 0-0 |
Columbus Challenger
-
Mitchell KruegerM.KruegerUSA Loss
- 6-2 3-6 6-3
- 2nd
-
01 Oct 26
-
James Kent TrotterJ.TrotterJPN
- 6-3 6-2
- 1st
-
29 Sep 26
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
Tennys Sandgren
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2026 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2025 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2024 | 13-9 | 4-4 | 5-3 | 4-2 | 0-0 | 0-0 |
| 2023 | 27-25 | 20-19 | 0-1 | 7-5 | 0-0 | 0-0 |
| 2022 | 25-23 | 19-11 | 1-5 | 5-7 | 0-0 | 0-0 |
| 2021 | 11-24 | 5-12 | 1-7 | 2-2 | 3-3 | 0-0 |
| 2020 | 12-13 | 7-5 | 5-3 | 0-5 | 0-0 | 0-0 |
| 2019 | 30-24 | 12-14 | 11-6 | 0-1 | 7-3 | 0-0 |
| 2018 | 20-28 | 9-14 | 7-10 | 4-3 | 0-1 | 0-0 |
| 2017 | 52-31 | 29-14 | 16-8 | 6-6 | 1-3 | 0-0 |
| 2016 | 50-24 | 38-15 | 2-3 | 10-6 | 0-0 | 0-0 |
| 2015 | 51-27 | 26-16 | 14-7 | 11-4 | 0-0 | 0-0 |
| 2014 | 10-12 | 4-8 | 0-0 | 6-4 | 0-0 | 0-0 |
| 2013 | 36-29 | 22-17 | 5-9 | 9-3 | 0-0 | 0-0 |
| 2012 | 52-25 | 29-15 | 14-6 | 9-4 | 0-0 | 0-0 |
| 2011 | 20-10 | 12-3 | 6-4 | 2-3 | 0-0 | 0-0 |
| 2010 | 3-6 | 0-2 | 2-3 | 1-1 | 0-0 | 0-0 |
| 2009 | 12-15 | 6-7 | 5-7 | 0-0 | 1-1 | 0-0 |
| Total | 424-325 | 242-176 | 94-82 | 76-56 | 12-11 | 0-0 |
H2H Ranking live progression
