Stefan Kozlov vs Michael Zheng Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
S. Kozlov vs M. Zheng
Stefan Kozlov
USA
w
l
w
w
w
w
w
w
w
l
2
Win
2
Played
0
Win
27
Age
21
6'0" (183 cm)
Height
-
304
C. Rank
187
103
Best Rank
180
0
Total Titles
0
0
YTD Titles
0
$372.0K
Career Money
$102.2K
Right-Handed
Plays
-
Michael Zheng
USA
w
w
w
w
w
w
w
w
w
l
2
Win
2
Played
0
Win
27
Age
21
6'0" (183 cm)
Height
-
304
C. Rank
187
103
Best Rank
180
0
Total Titles
0
0
YTD Titles
0
$372.0K
Career Money
$102.2K
Right-Handed
Plays
-
Head-to-head: Kozlov 2 - 0 Zheng
They have played 5 sets in total, with Stefan Kozlov winning 4 and Michael Zheng winning 1. The last match between Stefan Kozlov and Michael Zheng was at the Bloomfield Hills Challenger, 02-07-2024, Round: R1, Surface: Hard, with Stefan Kozlov getting the victory 4-6 7-5 6-1.
| Players | Head To Head Match Wins |
|---|---|
| Kozlov | 2 |
| Zheng | 0 |
Last 2 H2H Matches:
(R1) Bloomfield Hills Challenger(07-02-24)
Stefan Kozlov
4
7
6
Michael Zheng
6
5
1
(Q1) Charleston Challenger(09-24-23)
Stefan Kozlov
7
6
Michael Zheng
5
3
S. Kozlov vs M. Zheng H2H Profile
S. Kozlov vs M. Zheng Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Stefan Kozlov has won 46.08% of points on their second serve, while Michael Zheng has won 44.84%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Stefan Kozlov, in recent form, has won 47.36% of their opponent's second serve points, while Michael Zheng has won 42.98%. The same stats for first serve returns are 29.00% and 25.06% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Stefan Kozlov has saved 53.06% of breakpoints in recent form, whereas Michael Zheng has saved 57.50% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Stefan Kozlov has won 70.00% of matches played (W/L 28/12), with Michael Zheng winning 76.32% (W/L 29/9) that gives us an overall head-to head prediction overview.
- Best surface: Stefan Kozlov has their best career surface win % on I.hard, winning 64% (W/L 86/48), and worse career win % on Grass, winning 38% (W/L 15/24). Michael Zheng has their best career surface win % on I.hard, winning 64% (W/L 10/5), and worse career win % on Grass, winning 0% (W/L 0/1).
- Player level: In the last year, Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 68.75% of matches (W/L 22/10), where as Michael Zheng has played most of their matches on the Challengers/ITF tournaments > $10K, winning 78.79% of matches (W/L 26/7). 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 Stefan Kozlov winning 2 times and Michael Zheng being victorious 0 times. They have played 5 sets in total, with Stefan Kozlov winning 4 and Michael Zheng winning 1.
- The last match between Stefan Kozlov and Michael Zheng was at the Bloomfield Hills Challenger, 02-07-2024, Round: R1, Surface: Hard, with Stefan Kozlov getting the victory 4-6 7-5 6-1.
- Head to head match duration: In past head to head matches, the average match time between these players has been 2:21:34.
- Opponent quality stats: Over the last 12 months, Stefan Kozlov has played against opponents with an average rank of 415.3 while Michael Zheng has played against players with an average rank of 270.58.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Stefan Kozlov has won 65% of deciding sets over the last 12 months, while Michael Zheng has won 63% in all matches played on tour.
- Break point conversion: In recent form, Stefan Kozlov has converted 44.59% of breakpoint opportunities, and Michael Zheng has converted 28.08% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Stefan Kozlov vs Michael Zheng Editorial Preview By TennisTipster88.
S. Kozlov vs M. Zheng H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 2 | H2H Matches Won | 0 |
| 4 | Sets Won | 1 |
| 30 | Games Won | 20 |
| 4 | Aces (Total) | 8 |
| 7 | Total Double Faults | 3 |
| 2:21:34 | Average Match Time | 2:21:34 |
| 70% (119/170) | 1st Serve % | 59% (97/164) |
| 69% (82/119) | 1st Serve Win % | 61% (59/97) |
| 53% (27/51) | 2nd Serve Win % | 49% (33/67) |
| 47% (8/17) | Break Pts Won % | 36% (4/11) |
| 44% (72/164) | Return Points Win % | 36% (61/170) |
| 100% (2/2) | Best‑of‑3 Win % | 0% (0/2) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/1) |
| 0% (0/1) | 1st Set Won, Lost Match | 100% (1/1) |
| 100% (1/1) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Kozlov 49%, Zheng 54%.
Opp 2nd Serve Pts Won: Kozlov 54%, Zheng 53%.
Break Points Saved %: Kozlov 58%, Zheng 68%.
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. | ||
M. Zheng Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Sioux Falls Challenger - 20-10-2025 | ||||
R1  Johannus MondayJ. Monday | L | 2-6 6-4 6-4 | ||
| Tiburon Challenger - 29-09-2025 | ||||
F Tyler ZinkT. Zink | W | 6-4 6-4 | ||
SF Rafael JodarR. Jodar | W | 6-4 7-5 | ||
QF Mitchell KruegerM. Krueger | W | 7-5 6-3 | ||
R2  Olle WallinO. Wallin | W | 6-4 6-1 | ||
S. Kozlov vs M. Zheng Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 57.10% (346/260) | YTD Win/Loss | 65.09% (69/37) |
| 54.30% (776/653) | Sets Win/Loss | 62.76% (150/89) |
| 51.63% (6862/6430) | Games Win/Loss | 54.57% (1224/1019) |
| 55.33% (166/134) | Hard Win/Loss | 67.14% (47/23) |
| 59.40% (79/54) | Clay Win/Loss | 60.00% (12/8) |
| 64.18% (86/48) | Indoor Hard W/L | 66.67% (10/5) |
| 38.46% (15/24) | Grass Win/Loss | 0.00% (0/1) |
| 0.22 | Aces Per Game | 0.33 |
| 1458 | Aces Total | 360 |
| 0.33 | Double Faults Per Game | 0.16 |
| 2125 | Total Double Faults | 173 |
| 1:35:24 | Average Match Time | 1:27:33 |
| 565.15 | Average Opponent Rank | 415.27 |
| 61% (23211/37961) | 1st Serve % | 58% (3503/6091) |
| 66% (15381/23211) | 1st Serve Win % | 72% (2530/3503) |
| 48% (7129/14750) | 2nd Serve Win % | 52% (1358/2588) |
| 42% (1809/4280) | Break Points Won % (Total) | 43% (287/670) |
| 42% (16044/38519) | Return Points Win % | 41% (2644/6412) |
| 31.03% (9/20) | Slam W/L | 40.00% (2/3) |
| 23.53% (4/13) | Masters W/L | 0% (0/0) |
| 38.81% (26/41) | Main Tour W/L | 0% (0/0) |
| 58.69% (206/145) | Challenger W/L | 68.52% (37/17) |
| 71.13% (101/41) | Futures W/L | 63.83% (30/17) |
| 57% (338/588) | Best of 3 Sets Win % | 65% (69/106) |
| 45% (5/11) | Best of 5 Sets Win % | 0% (0/0) |
| 48% (70/146) | Tiebreaks Win % (Total) | 48% (11/23) |
| 61% (130/212) | Deciding Set Win % | 56% (15/27) |
| 87% (319/278) | 1st Set Won, Won Match | 95% (65/62) |
| 12% (319/39) | 1st Set Won, Lost Match | 5% (65/3) |
| 24% (287/68) | 1st Set Lost, Won Match | 17% (41/7) |
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