Head 2 Head
Win Loss Stats
Kovalik
LLWWLWWWLW
Diez
LLWWLLLLWL
2025
2024
2023
14 - 22
11 - 11
2-5
Hard
7-3
11-14
Clay
4-8
1-1
Grass
0-0
-
-
03 May 23
-
Cagliari Challenger -
-
Clay
-
-
- J.Kovalik (q)
- S.Diez
- 4-6 6-1 6-3
- 1/2
-
-
14 Apr 13
-
Itajai Challenger -
-
Clay
-
-
- J.Kovalik (q)
- S.Diez
- 6-0 1-6 6-4
- 1st
-
-
26 Feb 13
-
Salinas Challenger -
-
Clay
-
Jozef Kovalik
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 14-23 | 2-5 | 11-14 | 0-3 | 1-1 | 0-0 |
| 2024 | 36-25 | 3-5 | 30-15 | 3-4 | 0-1 | 0-0 |
| 2023 | 23-34 | 1-3 | 21-28 | 1-2 | 0-1 | 0-0 |
| 2022 | 33-23 | 3-6 | 29-13 | 1-3 | 0-1 | 0-0 |
| 2021 | 31-27 | 0-1 | 26-20 | 5-5 | 0-1 | 0-0 |
| 2020 | 17-16 | 2-3 | 15-12 | 0-1 | 0-0 | 0-0 |
| 2019 | 29-25 | 1-4 | 28-16 | 0-3 | 0-2 | 0-0 |
| 2018 | 35-22 | 2-4 | 28-15 | 5-2 | 0-1 | 0-0 |
| 2017 | 34-33 | 5-7 | 27-22 | 1-3 | 1-1 | 0-0 |
| 2016 | 44-31 | 12-10 | 27-16 | 3-3 | 2-2 | 0-0 |
| 2015 | 27-32 | 1-4 | 25-19 | 1-7 | 0-1 | 0-1 |
| 2014 | 62-24 | 25-7 | 35-12 | 2-4 | 0-0 | 0-1 |
| 2013 | 36-21 | 5-2 | 31-18 | 0-0 | 0-1 | 0-0 |
| 2012 | 48-24 | 11-6 | 36-16 | 1-2 | 0-0 | 0-0 |
| 2011 | 40-22 | 15-10 | 25-11 | 0-1 | 0-0 | 0-0 |
| 2010 | 3-7 | 3-3 | 0-2 | 0-1 | 0-1 | 0-0 |
| Total | 512-389 | 91-80 | 394-249 | 23-44 | 4-14 | 0-2 |
Hersonissos 6 Challenger
-
Alberto Barroso CamposA.CamposESP Loss
- 6-4 3-0 ret.
- q1
-
12 Oct 25
Bad Waltersdorf Challenger
-
Sebastian SorgerS.SorgerAUT Loss
- 6-4 5-7 6-4
- 1st
-
17 Sep 25
-
Marvin MoellerM.MoellerGER
- 6-2 7-5
- Q.
-
15 Sep 25
-
Marco CecchinatoM.CecchinatoITA
- 7-63 6-2
- q1
-
14 Sep 25
Szczecin Challenger
-
Thiago Agustin TiranteT.TiranteARG Loss
- 6-3 4-6 7-5
- 2nd
-
12 Sep 25
-
Michael VrbenskyM.VrbenskyCZE
- 6-1 6-1
- 1st
-
09 Sep 25
-
Marvin MoellerM.MoellerGER
- 6-2 6-3
- Q.
-
08 Sep 25
-
Bartosz SurudoB.SurudoPOL
- 6-2 6-1
- q1
-
07 Sep 25
Tulln Challenger
-
Jan ChoinskiJ.ChoinskiGBR Loss
- 6-0 6-2
- 1st
-
02 Sep 25
-
Dennis NovakD.NovakAUT
- 6-1 3-6 6-1
- Q.
-
01 Sep 25
Steven Diez
| Year | Sum. | Hard | Clay | I.hard | Grass | C. |
|---|---|---|---|---|---|---|
| 2025 | 11-11 | 7-3 | 4-8 | 0-0 | 0-0 | 0-0 |
| 2024 | 18-22 | 14-11 | 0-3 | 4-8 | 0-0 | 0-0 |
| 2023 | 24-36 | 7-13 | 16-19 | 1-3 | 0-1 | 0-0 |
| 2022 | 36-32 | 13-12 | 22-19 | 1-1 | 0-0 | 0-0 |
| 2021 | 16-28 | 3-6 | 12-16 | 1-5 | 0-1 | 0-0 |
| 2020 | 10-16 | 2-5 | 8-8 | 0-3 | 0-0 | 0-0 |
| 2019 | 47-28 | 23-11 | 17-11 | 3-3 | 1-2 | 3-1 |
| 2018 | 54-31 | 33-17 | 20-12 | 1-2 | 0-0 | 0-0 |
| 2017 | 33-35 | 7-12 | 23-16 | 2-5 | 1-2 | 0-0 |
| 2016 | 59-28 | 9-4 | 48-21 | 2-2 | 0-1 | 0-0 |
| 2015 | 48-17 | 24-7 | 24-10 | 0-0 | 0-0 | 0-0 |
| 2014 | 16-30 | 12-15 | 4-13 | 0-1 | 0-1 | 0-0 |
| 2013 | 42-33 | 18-9 | 23-23 | 0-0 | 1-1 | 0-0 |
| 2012 | 56-28 | 10-7 | 46-21 | 0-0 | 0-0 | 0-0 |
| 2011 | 46-29 | 15-12 | 31-17 | 0-0 | 0-0 | 0-0 |
| 2010 | 34-29 | 10-10 | 24-18 | 0-1 | 0-0 | 0-0 |
| 2009 | 16-22 | 3-5 | 13-17 | 0-0 | 0-0 | 0-0 |
| Total | 566-455 | 210-159 | 335-252 | 15-34 | 3-9 | 3-1 |
Heilbronn Challenger
-
Rei SakamotoR.SakamotoJPN Loss
- 4-6 6-0 6-3
- q1
-
01 Jun 25
M25 Vic
-
Lorenzo GiustinoL.GiustinoITA Loss
- 6-1 2-1 ret.
- 1/4
-
16 May 25
-
Andres Santamarta RoigA.RoigESP
- 6-3 7-5
- 2nd
-
15 May 25
-
Michiel De KromM.KromNED
- 6-1 ret.
- 1st
-
14 May 25
M25 Sabadell
-
Sekou BangouraS.BangouraUSA Loss
- 4-6 7-64 6-1
- 1st
-
30 Apr 25
Savannah Challenger
-
Ryan SeggermanR.SeggermanUSA Loss
- 6-3 3-6 6-3
- q1
-
20 Apr 25
Tallahassee Challenger
-
Joao Lucas Reis Da SilvaJ.SilvaBRA Loss
- 6-1 3-6 6-1
- q1
-
13 Apr 25
M25 Reus
-
Clement TaburC.TaburFRA Loss
- 5-7 7-61 6-1
- 2nd
-
03 Apr 25
-
Sergi Fita JuanS.JuanESP
- 6-0 6-1
- 1st
-
02 Apr 25
Girona Challenger
-
Filip MisolicF.MisolicAUT Loss
- 6-3 6-1
- q1
-
24 Mar 25
H2H Ranking live progression