Head 2 Head
Win Loss Stats
Ramanathan
LLLLLLWWLL
Kozlov
LWWWWWWWLW
2025
2024
2023
6 - 19
28 - 12
6-17
Hard
12-6
0-0
I Hard
10-3
0-2
Clay
6-2
-
-
03 Aug 25
-
Chicago Challenger -
-
Hard
-
-
- R.Ramanathan (q)
- S.Kozlov
- 6-0 6-1
- q1
-
-
23 Jul 22
-
Truist Atlanta Open - Atlanta
-
Hard
-
-
- R.Ramanathan (8)
- S.Kozlov
- 1-6 6-3 6-1
- 1/2
-
-
24 Jul 21
-
Cary Challenger -
-
Hard
-
-
- R.Ramanathan (q)
- S.Kozlov
- 6-3 6-2
- q1
-
-
17 Feb 18
-
Delray Beach Open - Delray Beach
-
Hard
-
-
- S.Kozlov (6)
- R.Ramanathan
- 6-1 6-2
- 2nd
-
-
04 May 17
-
Savannah Challenger -
-
Clay
-
Ramkumar Ramanathan
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 7-19 | 7-17 | 0-2 | 0-0 | 0-0 | 0-0 |
| 2024 | 23-26 | 22-23 | 0-0 | 0-2 | 1-1 | 0-0 |
| 2023 | 25-21 | 25-12 | 0-6 | 0-2 | 0-1 | 0-0 |
| 2022 | 15-34 | 4-13 | 4-8 | 2-6 | 4-6 | 1-1 |
| 2021 | 45-32 | 23-11 | 8-7 | 5-8 | 7-4 | 2-2 |
| 2020 | 8-18 | 3-8 | 0-5 | 0-3 | 0-0 | 5-2 |
| 2019 | 32-36 | 11-19 | 5-4 | 11-7 | 5-5 | 0-1 |
| 2018 | 31-37 | 13-20 | 5-8 | 2-3 | 7-5 | 4-1 |
| 2017 | 50-34 | 32-19 | 9-8 | 3-4 | 5-2 | 1-1 |
| 2016 | 41-34 | 22-14 | 12-9 | 4-6 | 2-3 | 1-2 |
| 2015 | 54-28 | 46-21 | 7-4 | 1-2 | 0-0 | 0-1 |
| 2014 | 64-25 | 49-19 | 15-6 | 0-0 | 0-0 | 0-0 |
| 2013 | 29-25 | 26-13 | 3-12 | 0-0 | 0-0 | 0-0 |
| Total | 424-369 | 283-209 | 68-79 | 28-43 | 31-27 | 14-11 |
Yokohama Challenger
-
Michael VrbenskyM.VrbenskyCZE Loss
- 7-5 6-4
- q1
-
15 Nov 25
Seoul Challenger
-
Yusuke TakahashiY.TakahashiJPN Loss
- 6-1 7-65
- q1
-
26 Oct 25
Fairfield Challenger
-
Evan BynoeE.BynoeUSA Loss
- 7-61 1-6 6-0
- q1
-
05 Oct 25
Tiburon Challenger
-
Daniel MilavskyD.MilavskyUSA Loss
- 6-3 7-67
- q1
-
28 Sep 25
Las Vegas Challenger
-
Renta TokudaR.TokudaJPN Loss
- 6-4 6-4
- q1
-
21 Sep 25
Guangzhou Challenger
-
Nishesh BasavareddyN.BasavareddyUSA Loss
- 6-1 6-4
- 1st
-
09 Sep 25
-
Seita WatanabeS.WatanabeJPN
- 7-5 7-64
- Q.
-
08 Sep 25
-
Kaito UesugiK.UesugiJPN
- 7-67 6-3
- q1
-
08 Sep 25
Shanghai Challenger
-
Petr Bar BiryukovP.BiryukovRUS Loss
- 7-66 7-63
- q1
-
31 Aug 25
Chicago Challenger
-
Stefan KozlovS.KozlovUSA Loss
- 6-1 6-74 5-3 ret.
- q1
-
03 Aug 25
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
H2H Ranking live progression