Jay Clarke vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
Published on 05 Nov at 06:28 AM UTC
HEAD TO HEAD
J. Clarke vs S. Kozlov

GBR
1
Win
Played
0
Win

USA
1
Win
Played
0
Win
Head-to-head: Clarke 1 - 0 Kozlov
They have played 3 sets in total, with Jay Clarke winning 2 and Stefan Kozlov winning 1. The last match between Jay Clarke and Stefan Kozlov was at the Knoxville Challenger, 05-11-2025, Round: R2, Surface: I.hard, with Jay Clarke getting the victory 6-2 2-6 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Clarke | 1 |
| Kozlov | 0 |
Last 1 H2H Matches:
(R2) Knoxville Challenger(11-05-25)
J. Clarke vs S. Kozlov H2H Profile
J. Clarke vs S. Kozlov Match Preview:
- Analyzing the recent second serve stats, Stefan Kozlov has an edge, winning 45.80% of points compared to Jay Clarke's 40.80%. Could this affect the match outcome? Likely, as there's a strong link between this stat and match predictions.
- Stefan Kozlov is also slightly stronger in return games, winning 49.53% of opponents' second serve points, while Jay Clarke achieves 46.33%. Does this mean Stefan will dominate this aspect? The odds are in his favor.
- For first serve returns, both players are close, with Kozlov at 30.23% and Clarke at 29.90%, indicating a balanced challenge in this area.
- Looking at handling pressure: Kozlov saves 51.06% of breakpoints, surpassing Clarke's 48.92%. Will this give Kozlov a match-winning edge? It could be a critical factor.
- Overall match performance in the past year shows Kozlov with a 65.63% win rate, slightly better than Clarke's 63.95%. Does this suggest a long-term form advantage for Kozlov? Yes, though marginal.
- Regarding surface preference, Kozlov excels on indoor hard courts with a 63% win rate, whereas Clarke shines on clay at the same percentage. Might surface choice influence their performances? Absolutely, especially if not played on their preferred surfaces.
- In terms of experience, both players frequently participate in Challengers/ITF tournaments > $10K, but Kozlov has a slightly better win percentage at 62.50% against Clarke's 51.22%.
- Opponents' quality shows Kozlov competes against an average rank of 403.41, while Clarke faces players with a slightly better average rank of 392.03. Does this reflect on their adaptability? Clarke could be more battle-hardened.
- If the match goes to a deciding set, Kozlov has a distinct advantage with a 64% success rate compared to Clarke's 50%.
- Considering all the stats, who is favored to win in this matchup? The various performance indicators point slightly towards Stefan Kozlov.
Editorial Prediction (November 5, 2025, UTC):
In assessing the upcoming tennis match between Stefan Kozlov and Jay Clarke, several performance metrics offer insights into the expected outcome.
Notably, Kozlov's superior performance on second serves, both his own and in return games, provides him a slight advantage. Successful breakpoint saves further highlight his resilience under pressure compared to Clarke.
While both players show comparable recent match win percentages, Kozlov's tendency to excel on indoor hard courts aligns with his better chance in head-to-head scenarios. Furthermore, his ability to secure the deciding sets could play a crucial role in the match's conclusion.
Despite Clarke's familiarity with somewhat tougher opposition, the overall analysis leans towards a modest edge for Stefan Kozlov. Based on the detailed statistics, he emerges as the likely winner of the upcoming encounter.
Jay Clarke vs Stefan Kozlov Editorial Preview By TennisTipster88.
J. Clarke vs S. Kozlov H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 1 |
| 14 | Games Won | 11 |
| 1 | Aces (Total) | 4 |
| 4 | Total Double Faults | 3 |
| 2:10:1 | Average Match Time | 2:10:1 |
| 56% (46/82) | 1st Serve % | 65% (47/72) |
| 70% (32/46) | 1st Serve Win % | 66% (31/47) |
| 58% (21/36) | 2nd Serve Win % | 56% (14/25) |
| 50% (3/6) | Break Pts Won % | 50% (2/4) |
| 38% (27/72) | Return Points Win % | 35% (29/82) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
J. Clarke Recent Matches Played
S. Kozlov Recent Matches Played

J. Clarke vs S. Kozlov Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 58.50% (351/249) | YTD Win/Loss | 56.69% (339/259) |
| 56.48% (780/601) | Sets Win/Loss | 53.97% (761/649) |
| 52.59% (6829/6156) | Games Win/Loss | 51.47% (6753/6366) |
| 59.82% (131/88) | Hard Win/Loss | 55.33% (166/134) |
| 67.45% (172/83) | Clay Win/Loss | 59.23% (77/53) |
| 46.84% (37/42) | Indoor Hard W/L | 62.79% (81/48) |
| 23.40% (11/36) | Grass Win/Loss | 38.46% (15/24) |
| 0.28 | Aces Per Game | 0.22 |
| 1773 | Aces Total | 1436 |
| 0.21 | Double Faults Per Game | 0.33 |
| 1350 | Total Double Faults | 2108 |
| 1:38:21 | Average Match Time | 1:35:13 |
| 485.23 | Average Opponent Rank | 565.26 |
| 58% (22851/39277) | 1st Serve % | 61% (22891/37426) |
| 68% (15559/22851) | 1st Serve Win % | 66% (15146/22891) |
| 51% (8388/16426) | 2nd Serve Win % | 48% (7015/14535) |
| 45% (1866/4190) | Break Points Won % (Total) | 42% (1773/4201) |
| 41% (16329/39561) | Return Points Win % | 42% (15763/37923) |
| 24.00% (6/19) | Slam W/L | 31.03% (9/20) |
| 33.33% (1/2) | Masters W/L | 23.53% (4/13) |
| 26.32% (5/14) | Main Tour W/L | 38.81% (26/41) |
| 49.28% (137/141) | Challenger W/L | 58.02% (199/144) |
| 73.45% (202/73) | Futures W/L | 71.13% (101/41) |
| 59% (344/580) | Best of 3 Sets Win % | 57% (331/580) |
| 23% (3/13) | Best of 5 Sets Win % | 45% (5/11) |
| 52% (92/177) | Tiebreaks Win % (Total) | 48% (69/144) |
| 56% (97/172) | Deciding Set Win % | 61% (128/209) |
| 87% (349/302) | 1st Set Won, Won Match | 87% (311/271) |
| 13% (349/46) | 1st Set Won, Lost Match | 12% (311/38) |
| 19% (251/48) | 1st Set Lost, Won Match | 24% (287/68) |