Thai Kwiatkowski vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
T. Kwiatkowski vs S. Kozlov
Thai Kwiatkowski
USA
l
l
l
l
w
l
l
l
l
l
1
Win
3
Played
2
Win
30
Age
27
6'2" (188 cm)
Height
6'0" (183 cm)
677
C. Rank
304
181
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$94.0K
Career Money
$372.0K
Right-Handed
Plays
Right-Handed
Stefan Kozlov
USA
w
l
w
w
w
w
w
w
w
l
1
Win
3
Played
2
Win
30
Age
27
6'2" (188 cm)
Height
6'0" (183 cm)
677
C. Rank
304
181
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$94.0K
Career Money
$372.0K
Right-Handed
Plays
Right-Handed
Head-to-head: Kwiatkowski 1 - 2 Kozlov
They have played 7 sets in total, with Thai Kwiatkowski winning 3 and Stefan Kozlov winning 4. The last match between Stefan Kozlov and Thai Kwiatkowski was at the Dallas Open - Dallas, 05-02-2023, Round: Q1, Surface: I.hard, with Stefan Kozlov getting the victory 6-3 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Kwiatkowski | 1 |
| Kozlov | 2 |
Last 3 H2H Matches:
(Q1) Dallas Open - Dallas(02-05-23)
Stefan Kozlov
6
6
Thai Kwiatkowski
3
4
(R1) Little Rock Challenger(06-02-21)
Thai Kwiatkowski
6
6
Stefan Kozlov
2
1
(R1) Charlottesville Challenger(10-31-17)
Stefan Kozlov
6
3
6
Thai Kwiatkowski
1
6
3
T. Kwiatkowski vs S. Kozlov H2H Profile
| Stats | ||
|---|---|---|
| $94,010 | Career Prize Money | $371,951 |
| 56.28% (233-181) | Career Total W/L | 57.10% (346-260) |
| 1 | Hard | 0 |
| 0 | Indoor | 2 |
| 8 | Titles | 11 |
| 1 | Total H2H Matches | 2 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
T. Kwiatkowski vs S. Kozlov Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Thai Kwiatkowski has won 46.09% 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 Thai Kwiatkowski, in recent form, has won 44.55% of their opponent's second serve points, while Stefan Kozlov has won 47.36%. The same stats for first serve returns are 24.24% and 29.00% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Thai Kwiatkowski has saved 66.67% 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 Thai Kwiatkowski has won 0% of matches played (W/L 0/4), with Stefan Kozlov winning 70.00% (W/L 28/12) that gives us an overall head-to head prediction overview.
- Best surface: Thai Kwiatkowski has their best career surface win % on Hard, winning 60% (W/L 152/101), and worse career win % on Grass, winning 0% (W/L 0/7). Stefan Kozlov has their best career surface win % on I.hard, winning 60% (W/L 86/48), and worse career win % on Grass, winning 38% (W/L 15/24).
- Player level: In the last year, Thai Kwiatkowski has played most of their matches on the Challengers/ITF tournaments > $10K, winning 0.00% of matches (W/L 0/2), 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 3 times before with Thai Kwiatkowski winning 1 times and Stefan Kozlov being victorious 2 times. They have played 7 sets in total, with Thai Kwiatkowski winning 3 and Stefan Kozlov winning 4.
- The last match between Thai Kwiatkowski and Stefan Kozlov was at the Dallas Open - Dallas, 05-02-2023, Round: Q1, Surface: I.hard, with Stefan Kozlov getting the victory 6-3 6-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:20:47.
- Opponent quality stats: Over the last 12 months, Thai Kwiatkowski has played against opponents with an average rank of 346.75 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, Thai Kwiatkowski has won 0% 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, Thai Kwiatkowski has converted 14.81% 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.
Thai Kwiatkowski vs Stefan Kozlov Editorial Preview By TennisTipster88.
T. Kwiatkowski vs S. Kozlov H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 2 |
| 3 | Sets Won | 4 |
| 29 | Games Won | 30 |
| 10 | Aces (Total) | 14 |
| 6 | Total Double Faults | 12 |
| 1:20:47 | Average Match Time | 1:20:47 |
| 70% (118/169) | 1st Serve % | 71% (132/186) |
| 67% (79/118) | 1st Serve Win % | 65% (86/132) |
| 49% (25/51) | 2nd Serve Win % | 46% (25/54) |
| 44% (8/18) | Break Pts Won % | 47% (7/15) |
| 40% (75/186) | Return Points Win % | 38% (65/169) |
| 33% (1/3) | Best‑of‑3 Win % | 67% (2/3) |
| 0% (0/1) | Deciding Set Win % | 100% (1/1) |
| 100% (1/1) | 1st Set Won, Won Match | 100% (2/2) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/2) |
| 0% (0/2) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Kwiatkowski 46%, Kozlov 49%.
Opp 2nd Serve Pts Won: Kwiatkowski 45%, Kozlov 54%.
Break Points Saved %: Kwiatkowski 67%, Kozlov 58%.
T. Kwiatkowski Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Charlottesville Challenger - 27-10-2025 | ||||
R1  Patrick ZahrajP. Zahraj | L | 7-5 6-3 | ||
| Winston-Salem Challenger - 08-09-2025 | ||||
R1 Alex RybakovA. Rybakov | L | 7-6(3) 6-4 | ||
| Winston-Salem Open - Winston-Salem - 18-08-2025 | ||||
Q1 Karl PolingK. Poling | L | 3-6 7-5 6-3 | ||
| Citi Open - Washington - 21-07-2025 | ||||
Q1 Murphy CassoneM. Cassone | L | 6-2 6-4 | ||
| Winston-Salem Open - Winston-Salem - 19-08-2024 | ||||
Q3 Strong KirchheimerS. Kirchheimer | L | 6-3 6-4 | ||
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. | ||
T. Kwiatkowski vs S. Kozlov Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 56.28% (233/181) | YTD Win/Loss | 57.10% (346/260) |
| 56.08% (544/426) | Sets Win/Loss | 54.30% (776/653) |
| 52.59% (4871/4392) | Games Win/Loss | 51.63% (6862/6430) |
| 60.08% (152/101) | Hard Win/Loss | 55.33% (166/134) |
| 54.02% (47/40) | Clay Win/Loss | 59.40% (79/54) |
| 50.75% (34/33) | Indoor Hard W/L | 64.18% (86/48) |
| 0.00% (0/7) | Grass Win/Loss | 38.46% (15/24) |
| 0.47 | Aces Per Game | 0.22 |
| 2117 | Aces Total | 1458 |
| 0.27 | Double Faults Per Game | 0.33 |
| 1237 | Total Double Faults | 2125 |
| 1:27:18 | Average Match Time | 1:35:24 |
| 522.62 | Average Opponent Rank | 565.15 |
| 60% (15246/25604) | 1st Serve % | 61% (23211/37961) |
| 72% (10949/15246) | 1st Serve Win % | 66% (15381/23211) |
| 50% (5130/10358) | 2nd Serve Win % | 48% (7129/14750) |
| 41% (1080/2606) | Break Points Won % (Total) | 42% (1809/4280) |
| 39% (10391/26391) | Return Points Win % | 42% (16044/38519) |
| 14.29% (2/12) | Slam W/L | 31.03% (9/20) |
| 20.00% (1/4) | Masters W/L | 23.53% (4/13) |
| 35.71% (10/18) | Main Tour W/L | 38.81% (26/41) |
| 53.21% (116/102) | Challenger W/L | 58.69% (206/145) |
| 69.80% (104/45) | Futures W/L | 71.13% (101/41) |
| 56% (230/408) | Best of 3 Sets Win % | 57% (338/588) |
| 33% (1/3) | Best of 5 Sets Win % | 45% (5/11) |
| 50% (71/142) | Tiebreaks Win % (Total) | 48% (70/146) |
| 44% (62/140) | Deciding Set Win % | 61% (130/212) |
| 79% (252/199) | 1st Set Won, Won Match | 87% (319/278) |
| 21% (252/52) | 1st Set Won, Lost Match | 12% (319/39) |
| 20% (162/33) | 1st Set Lost, Won Match | 24% (287/68) |
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