Head 2 Head
Win Loss Stats
Riffice
Kozlov
LLLWLLLWLL
2026
2025
2024
0 - 0
22 - 23
0-0
Hard
7-13
0-0
I Hard
7-4
0-0
Clay
5-5
0-0
Grass
3-1
- S.Riffice (q)
- S.Kozlov (2)
- 3-6 6-2 6-3
- 1st
-
11 Oct 22
-
Fairfield Challenger -
-
Hard
-
-
25 Jul 21
-
Lexington Challenger -
-
Hard
-
-
-
31 Oct 19
-
M25 Naples -
-
Clay
-
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Sam Riffice
| 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 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2023 | 0-0 | - | - | - | - | - |
| 2022 | 20-10 | 18-8 | 0-0 | 2-2 | 0-0 | 0-0 |
| 2021 | 7-5 | 7-5 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2020 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2019 | 14-7 | 13-6 | 1-1 | 0-0 | 0-0 | 0-0 |
| 2018 | 28-18 | 20-11 | 7-6 | 1-1 | 0-0 | 0-0 |
| 2017 | 29-13 | 3-3 | 25-9 | 1-1 | 0-0 | 0-0 |
| 2016 | 10-7 | 0-0 | 10-7 | 0-0 | 0-0 | 0-0 |
| Total | 108-61 | 61-34 | 43-23 | 4-4 | 0-0 | 0-0 |
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
H2H Ranking live progression
