Ethan Quinn vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
E. Quinn vs S. Kozlov
Ethan Quinn
USA
w
l
l
w
l
w
l
w
w
l
1
Win
2
Played
1
Win
21
Age
27
-
Height
6'0" (183 cm)
70
C. Rank
304
64
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$793.9K
Career Money
$372.0K
-
Plays
Right-Handed
Stefan Kozlov
USA
w
l
w
w
w
w
w
w
w
l
1
Win
2
Played
1
Win
21
Age
27
-
Height
6'0" (183 cm)
70
C. Rank
304
64
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$793.9K
Career Money
$372.0K
-
Plays
Right-Handed
Head-to-head: Quinn 1 - 1 Kozlov
They have played 6 sets in total, with Ethan Quinn winning 3 and Stefan Kozlov winning 3. The last match between Stefan Kozlov and Ethan Quinn was at the Sarasota Challenger, 10-04-2024, Round: R2, Surface: Clay, with Stefan Kozlov getting the victory 6-2 5-7 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Quinn | 1 |
| Kozlov | 1 |
Last 2 H2H Matches:
(R2) Sarasota Challenger(04-10-24)
Stefan Kozlov
6
5
6
Ethan Quinn
2
7
4
(R2) Cleveland Challenger(02-01-24)
Ethan Quinn
6
4
6
Stefan Kozlov
2
6
3
E. Quinn vs S. Kozlov H2H Profile
E. Quinn vs S. Kozlov Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Ethan Quinn has won 49.95% of points on their second serve, while Stefan Kozlov has won 46.08%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Ethan Quinn, in recent form, has won 44.37% of their opponent's second serve points, while Stefan Kozlov has won 47.36%. The same stats for first serve returns are 22.16% and 29.00% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Ethan Quinn has saved 56.58% of breakpoints in recent form, whereas Stefan Kozlov has saved 53.06% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Ethan Quinn has won 61.11% of matches played (W/L 44/28), with Stefan Kozlov winning 70.00% (W/L 28/12) that gives us an overall head-to head prediction overview.
- Best surface: Ethan Quinn has their best career surface win % on I.hard, winning 61% (W/L 31/20), and worse career win % on Clay, winning 53% (W/L 19/17). Stefan Kozlov has their best career surface win % on I.hard, winning 61% (W/L 86/48), and worse career win % on Grass, winning 38% (W/L 15/24).
- Player level: In the last year, Ethan Quinn has played most of their matches on the Main tour, winning 58.62% of matches (W/L 17/12), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 68.75% of matches (W/L 22/10). 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 2 times before with Ethan Quinn winning 1 times and Stefan Kozlov being victorious 1 times. They have played 6 sets in total, with Ethan Quinn winning 3 and Stefan Kozlov winning 3.
- The last match between Ethan Quinn and Stefan Kozlov was at the Sarasota Challenger, 10-04-2024, Round: R2, Surface: Clay, with Stefan Kozlov getting the victory 6-2 5-7 6-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 2:37:22.
- Deciding set H2H prediction: Ethan Quinn and Stefan Kozlov have played a deciding set 2 times, with Ethan Quinn winning 1 times and Stefan Kozlov 1 times. Very useful for predicting the outcome if this match goes the distance.
- Opponent quality stats: Over the last 12 months, Ethan Quinn has played against opponents with an average rank of 141.85 while Stefan Kozlov has played against players with an average rank of 415.3.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Ethan Quinn has won 67% of deciding sets over the last 12 months, while Stefan Kozlov has won 65% in all matches played on tour.
- Break point conversion: In recent form, Ethan Quinn has converted 29.03% of breakpoint opportunities, and Stefan Kozlov has converted 44.59% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Ethan Quinn vs Stefan Kozlov Editorial Preview By TennisTipster88.
E. Quinn vs S. Kozlov H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 1 |
| 3 | Sets Won | 3 |
| 29 | Games Won | 28 |
| 2 | Aces (Total) | 0 |
| 5 | Total Double Faults | 13 |
| 2:37:22 | Average Match Time | 2:37:22 |
| 65% (116/179) | 1st Serve % | 62% (116/188) |
| 69% (80/116) | 1st Serve Win % | 62% (72/116) |
| 49% (31/63) | 2nd Serve Win % | 57% (41/72) |
| 37% (7/19) | Break Pts Won % | 41% (7/17) |
| 40% (75/188) | Return Points Win % | 38% (68/179) |
| 50% (1/2) | Best‑of‑3 Win % | 50% (1/2) |
| 50% (1/2) | Deciding Set Win % | 50% (1/2) |
| 100% (1/1) | 1st Set Won, Won Match | 100% (1/1) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/1) |
| 0% (0/1) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Quinn 52%, Kozlov 49%.
Opp 2nd Serve Pts Won: Quinn 48%, Kozlov 54%.
Break Points Saved %: Quinn 62%, Kozlov 58%.
E. Quinn Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Rolex Paris Masters - Paris - 27-10-2025 | ||||
R1  Karen KhachanovK. Khachanov | L | 6-1 6-1 | ||
Q3  Botic Van De ZandschulpB. Van | W | 6-3 7-6(4) | ||
Q1  Ugo BlanchetU. Blanchet | W | 6-2 6-3 | ||
| Erste Bank Open - Vienna - 20-10-2025 | ||||
Q3  Damir DzumhurD. Dzumhur | L | 6-3 6-3 | ||
Q1  Vit KoprivaV. Kopriva | W | 4-6 6-1 6-1 | ||
S. Kozlov Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Bogota Challenger - 24-11-2025 | ||||
QF  Juan Sebastian GomezJ. Sebastian | L | 4-6 6-4 7-5 | ||
R2  David Jorda SanchisD. Jorda | W | 6-4 6-4 | ||
R1  Juan Bautista TorresJ. Bautista | W | 6-0 4-6 6-3 | ||
| Champaign Challenger - 10-11-2025 | ||||
F Murphy CassoneM. Cassone | W | 7-6(3) 7-5 | ||
SF  Cedrik-Marcel StebeC. Stebe | W | 6-0 4-0 ret. | ||
E. Quinn vs S. Kozlov Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 57.89% (132/96) | YTD Win/Loss | 57.10% (346/260) |
| 54.74% (300/248) | Sets Win/Loss | 54.30% (776/653) |
| 51.61% (2811/2636) | Games Win/Loss | 51.63% (6862/6430) |
| 58.46% (76/54) | Hard Win/Loss | 55.33% (166/134) |
| 52.78% (19/17) | Clay Win/Loss | 59.40% (79/54) |
| 60.78% (31/20) | Indoor Hard W/L | 64.18% (86/48) |
| 54.55% (6/5) | Grass Win/Loss | 38.46% (15/24) |
| 0.45 | Aces Per Game | 0.22 |
| 1198 | Aces Total | 1458 |
| 0.24 | Double Faults Per Game | 0.33 |
| 651 | Total Double Faults | 2125 |
| 1:48:18 | Average Match Time | 1:35:24 |
| 325.33 | Average Opponent Rank | 565.15 |
| 60% (10162/16932) | 1st Serve % | 61% (23211/37961) |
| 71% (7236/10162) | 1st Serve Win % | 66% (15381/23211) |
| 51% (3433/6770) | 2nd Serve Win % | 48% (7129/14750) |
| 40% (598/1496) | Break Points Won % (Total) | 42% (1809/4280) |
| 38% (6402/16834) | Return Points Win % | 42% (16044/38519) |
| 56.25% (9/7) | Slam W/L | 31.03% (9/20) |
| 59.09% (13/9) | Masters W/L | 23.53% (4/13) |
| 48.72% (19/20) | Main Tour W/L | 38.81% (26/41) |
| 54.84% (51/42) | Challenger W/L | 58.69% (206/145) |
| 68.97% (40/18) | Futures W/L | 71.13% (101/41) |
| 58% (128/219) | Best of 3 Sets Win % | 57% (338/588) |
| 43% (3/7) | Best of 5 Sets Win % | 45% (5/11) |
| 59% (55/94) | Tiebreaks Win % (Total) | 48% (70/146) |
| 59% (49/83) | Deciding Set Win % | 61% (130/212) |
| 86% (125/107) | 1st Set Won, Won Match | 87% (319/278) |
| 14% (125/18) | 1st Set Won, Lost Match | 12% (319/39) |
| 23% (103/24) | 1st Set Lost, Won Match | 24% (287/68) |
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