Jozef Kovalik vs Steven Diez Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
J. Kovalik vs S. Diez
Jozef Kovalik
SVK
w
l
w
w
w
l
w
w
l
l
3
Win
3
Played
0
Win
33
Age
34
6'0" (183 cm)
Height
5'9" (175 cm)
595
C. Rank
898
80
Best Rank
134
0
Total Titles
0
0
YTD Titles
0
$787.8K
Career Money
$335.9K
Right-Handed
Plays
Right-Handed
Steven Diez
CAN
l
w
l
l
l
l
w
w
l
l
3
Win
3
Played
0
Win
33
Age
34
6'0" (183 cm)
Height
5'9" (175 cm)
595
C. Rank
898
80
Best Rank
134
0
Total Titles
0
0
YTD Titles
0
$787.8K
Career Money
$335.9K
Right-Handed
Plays
Right-Handed
Head-to-head: Kovalik 3 - 0 Diez
They have played 8 sets in total, with Jozef Kovalik winning 6 and Steven Diez winning 2. The last match between Jozef Kovalik and Steven Diez was at the Cagliari Challenger, 03-05-2023, Round: R1, Surface: Clay, with Jozef Kovalik getting the victory 7-6(2) 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Kovalik | 3 |
| Diez | 0 |
Last 3 H2H Matches:
(R1) Cagliari Challenger(05-03-23)
Jozef Kovalik
7
6
Steven Diez
6
4
(SF) Itajai Challenger(04-14-13)
Jozef Kovalik
4
6
6
Steven Diez
6
1
3
(R1) Salinas Challenger(02-26-13)
Jozef Kovalik
6
1
6
Steven Diez
0
6
4
J. Kovalik vs S. Diez H2H Profile
| Stats | ||
|---|---|---|
| $787,770 | Career Prize Money | $335,910 |
| 56.84% (511-388) | Career Total W/L | 54.64% (571-474) |
| 3 | Clay | 0 |
| 18 | Titles | 24 |
| 3 | Total H2H Matches | 0 |
| 0.00% (0-1) | YTD Win/Loss | 0% (0-0) |
J. Kovalik vs S. Diez Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Jozef Kovalik has won 44.14% of points on their second serve, while Steven Diez has won 0%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Jozef Kovalik, in recent form, has won 46.20% of their opponent's second serve points, while Steven Diez has won 0%. The same stats for first serve returns are 27.42% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Jozef Kovalik has saved 46.75% of breakpoints in recent form, whereas Steven Diez has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Jozef Kovalik has won 37.84% of matches played (W/L 14/23), with Steven Diez winning 50.00% (W/L 11/11) that gives us an overall head-to head prediction overview.
- Best surface: Jozef Kovalik has their best career surface win % on Clay, winning 61% (W/L 394/248), and worse career win % on Grass, winning 24% (W/L 4/13). Steven Diez has their best career surface win % on Hard, winning 61% (W/L 212/163), and worse career win % on Grass, winning 25% (W/L 3/9).
- Player level: In the last year, Jozef Kovalik has played most of their matches on the Challengers/ITF tournaments > $10K, winning 44.00% of matches (W/L 11/14), where as Steven Diez has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 57.14% of matches (W/L 8/6). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Direct H2H matches: They have played 3 times before with Jozef Kovalik winning 3 times and Steven Diez being victorious 0 times. They have played 8 sets in total, with Jozef Kovalik winning 6 and Steven Diez winning 2.
- The last match between Jozef Kovalik and Steven Diez was at the Cagliari Challenger, 03-05-2023, Round: R1, Surface: Clay, with Jozef Kovalik getting the victory 7-6(2) 6-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 2:1:37.
- Opponent quality stats: Over the last 12 months, Jozef Kovalik has played against opponents with an average rank of 276.65 while Steven Diez has played against players with an average rank of 377.95.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Jozef Kovalik has won 23% of deciding sets over the last 12 months, while Steven Diez has won 14% in all matches played on tour.
- Break point conversion: In recent form, Jozef Kovalik has converted 32.29% of breakpoint opportunities, and Steven Diez has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Jozef Kovalik vs Steven Diez Editorial Preview By TennisTipster88.
J. Kovalik vs S. Diez H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 3 | H2H Matches Won | 0 |
| 6 | Sets Won | 2 |
| 42 | Games Won | 30 |
| 7 | Aces (Total) | 2 |
| 5 | Total Double Faults | 13 |
| 2:1:37 | Average Match Time | 2:1:37 |
| 60% (135/226) | 1st Serve % | 61% (139/227) |
| 69% (93/135) | 1st Serve Win % | 62% (86/139) |
| 53% (48/91) | 2nd Serve Win % | 43% (38/88) |
| 48% (14/29) | Break Pts Won % | 53% (9/17) |
| 45% (103/227) | Return Points Win % | 38% (85/226) |
| 100% (3/3) | Best‑of‑3 Win % | 0% (0/3) |
| 100% (2/2) | Deciding Set Win % | 0% (0/2) |
| 100% (2/2) | 1st Set Won, Won Match | 0% (0/1) |
| 0% (0/2) | 1st Set Won, Lost Match | 100% (1/1) |
| 100% (1/1) | 1st Set Lost, Won Match | 0% (0/2) |
Recent Performance Stats
2nd Serve Win %: Kovalik 50%, Diez 49%.
Opp 2nd Serve Pts Won: Kovalik 51%, Diez 55%.
Break Points Saved %: Kovalik 56%, Diez 57%.
J. Kovalik Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Hersonissos 6 Challenger - 13-10-2025 | ||||
Q1  Alberto Barroso CamposA. Barroso | L | 6-4 3-0 ret. | ||
| Bad Waltersdorf Challenger - 15-09-2025 | ||||
R1  Sebastian SorgerS. Sorger | L | 6-4 5-7 6-4 | ||
Q3  Marvin MoellerM. Moeller | W | 6-2 7-5 | ||
Q1  Marco CecchinatoM. Cecchinato | W | 7-6(3) 6-2 | ||
| Szczecin Challenger - 08-09-2025 | ||||
R2  Thiago Agustin TiranteT. Agustin | L | 6-3 4-6 7-5 | ||
S. Diez Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Heilbronn Challenger - 02-06-2025 | ||||
Q1  Rei SakamotoR. Sakamoto | L | 4-6 6-0 6-3 | ||
| M25 Vic - 12-05-2025 | ||||
QF Lorenzo GiustinoL. Giustino | L | 6-1 2-1 ret. | ||
R2 Andres Santamarta RoigA. Santamarta | W | 6-3 7-5 | ||
R1  Michiel De KromM. De | W | 6-1 ret. | ||
| M25 Sabadell - 28-04-2025 | ||||
R1  Sekou BangouraS. Bangoura | L | 4-6 7-6(4) 6-1 | ||
J. Kovalik vs S. Diez Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 56.84% (511/388) | YTD Win/Loss | 54.64% (571/474) |
| 54.92% (1166/957) | Sets Win/Loss | 54.52% (1285/1072) |
| 52.49% (10651/9642) | Games Win/Loss | 52.19% (11187/10250) |
| 53.29% (89/78) | Hard Win/Loss | 56.53% (212/163) |
| 61.37% (394/248) | Clay Win/Loss | 55.87% (338/267) |
| 32.88% (24/49) | Indoor Hard W/L | 33.96% (18/35) |
| 23.53% (4/13) | Grass Win/Loss | 25.00% (3/9) |
| 0.22 | Aces Per Game | 0.11 |
| 2205 | Aces Total | 1110 |
| 0.17 | Double Faults Per Game | 0.17 |
| 1693 | Total Double Faults | 1791 |
| 1:21:26 | Average Match Time | 1:9:1 |
| 529.93 | Average Opponent Rank | 577.79 |
| 59% (30371/51200) | 1st Serve % | 63% (29963/47216) |
| 69% (20881/30371) | 1st Serve Win % | 65% (19468/29963) |
| 52% (10883/20829) | 2nd Serve Win % | 49% (8390/17253) |
| 42% (2106/5074) | Break Points Won % (Total) | 46% (2388/5143) |
| 40% (20285/51151) | Return Points Win % | 42% (20073/47619) |
| 39.73% (29/44) | Slam W/L | 42.86% (15/20) |
| 27.78% (5/13) | Masters W/L | 25.00% (4/12) |
| 27.27% (3/8) | Cups W/L | 0.00% (0/4) |
| 50.00% (75/75) | Main Tour W/L | 34.48% (20/38) |
| 58.12% (272/196) | Challenger W/L | 45.31% (198/239) |
| 70.95% (127/52) | Futures W/L | 67.47% (334/161) |
| 57% (499/871) | Best of 3 Sets Win % | 55% (557/1009) |
| 30% (6/20) | Best of 5 Sets Win % | 33% (3/9) |
| 50% (167/332) | Tiebreaks Win % (Total) | 47% (109/233) |
| 54% (163/304) | Deciding Set Win % | 48% (136/285) |
| 84% (501/421) | 1st Set Won, Won Match | 83% (588/490) |
| 16% (501/80) | 1st Set Won, Lost Match | 16% (588/97) |
| 22% (398/89) | 1st Set Lost, Won Match | 18% (456/80) |
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