Stefan Kozlov vs Donald Young Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
S. Kozlov vs D. Young
Stefan Kozlov
USA
w
l
w
l
l
w
l
w
l
w
2
Win
6
Played
4
Win
27
Age
36
6'0" (183 cm)
Height
6'0" (183 cm)
458
C. Rank
727
103
Best Rank
38
0
Total Titles
0
0
YTD Titles
0
$372.0K
Career Money
$2.4M
Right-Handed
Plays
Left-Handed
Donald Young
USA
l
l
l
l
l
l
w
w
l
l
2
Win
6
Played
4
Win
27
Age
36
6'0" (183 cm)
Height
6'0" (183 cm)
458
C. Rank
727
103
Best Rank
38
0
Total Titles
0
0
YTD Titles
0
$372.0K
Career Money
$2.4M
Right-Handed
Plays
Left-Handed
Head-to-head: Kozlov 2 - 4 Young
They have played 14 sets in total, with Stefan Kozlov winning 5 and Donald Young winning 9. The last match between Stefan Kozlov and Donald Young was at the Cary Challenger, 19-07-2021, Round: R1, Surface: Hard, with Stefan Kozlov getting the victory 4-6 6-4 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Kozlov | 2 |
| Young | 4 |
Last 6 H2H Matches:
(R1) Cary Challenger(07-19-21)
Stefan Kozlov
4
6
6
Donald Young
6
4
4
(Q3) Delray Beach Open - Delray Beach(01-06-21)
Donald Young
4
6
6
Stefan Kozlov
6
4
4
(R1) Dallas Challenger(02-04-20)
Donald Young
6
6
Stefan Kozlov
2
2
S. Kozlov vs D. Young H2H Profile
S. Kozlov vs D. Young Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Stefan Kozlov has won 45.88% of points on their second serve, while Donald Young has won 0%. 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 48.95% of their opponent's second serve points, while Donald Young has won 0%. The same stats for first serve returns are 29.69% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Stefan Kozlov has saved 50.00% of breakpoints in recent form, whereas Donald Young has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Stefan Kozlov has won 66.67% of matches played (W/L 22/11), with Donald Young winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
- Best surface: Stefan Kozlov has their best career surface win % on I.hard, winning 63% (W/L 82/48), and worse career win % on Grass, winning 38% (W/L 15/24). Donald Young has their best career surface win % on Hard, winning 63% (W/L 305/253), and worse career win % on Grass, winning 43% (W/L 26/35).
- Player level: In the last year, Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.00% of matches (W/L 16/9), where as Donald Young has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 6 times before with Stefan Kozlov winning 2 times and Donald Young being victorious 4 times. They have played 14 sets in total, with Stefan Kozlov winning 5 and Donald Young winning 9.
- The last match between Stefan Kozlov and Donald Young was at the Cary Challenger, 19-07-2021, Round: R1, Surface: Hard, with Stefan Kozlov getting the victory 4-6 6-4 6-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:47:47.
- Deciding set H2H prediction: Stefan Kozlov and Donald Young have played a deciding set 2 times, with Stefan Kozlov winning 1 times and Donald Young 1 times. Very useful for predicting the outcome if this match goes the distance.
- Opponent quality stats: Over the last 12 months, Stefan Kozlov has played against opponents with an average rank of 409 while Donald Young has played against players with an average rank of 0.
- 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 64% of deciding sets over the last 12 months, while Donald Young has won 0% in all matches played on tour.
- Break point conversion: In recent form, Stefan Kozlov has converted 37.96% of breakpoint opportunities, and Donald Young 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.
Stefan Kozlov vs Donald Young Editorial Preview By TennisTipster88.
S. Kozlov vs D. Young H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 2 | H2H Matches Won | 4 |
| 5 | Sets Won | 9 |
| 61 | Games Won | 76 |
| 13 | Aces (Total) | 10 |
| 30 | Total Double Faults | 39 |
| 1:47:47 | Average Match Time | 1:47:47 |
| 62% (265/427) | 1st Serve % | 57% (256/448) |
| 65% (172/265) | 1st Serve Win % | 68% (174/256) |
| 44% (72/162) | 2nd Serve Win % | 53% (101/192) |
| 35% (17/49) | Break Pts Won % | 49% (24/49) |
| 39% (173/448) | Return Points Win % | 43% (183/427) |
| 33% (2/6) | Best‑of‑3 Win % | 67% (4/6) |
| 50% (1/2) | Deciding Set Win % | 50% (1/2) |
| 50% (1/2) | 1st Set Won, Won Match | 75% (3/4) |
| 50% (1/2) | 1st Set Won, Lost Match | 25% (1/4) |
| 25% (1/4) | 1st Set Lost, Won Match | 50% (1/2) |
Recent Performance Stats
2nd Serve Win %: Kozlov 48%, Young 0%.
Opp 2nd Serve Pts Won: Kozlov 55%, Young 0%.
Break Points Saved %: Kozlov 58%, Young 0%.
S. Kozlov Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Champaign Challenger - 10-11-2025 | ||||
R1  Leo BorgL. Borg | W | 6-1 6-0 | ||
| Knoxville Challenger - 03-11-2025 | ||||
R2  Jay ClarkeJ. Clarke | L | 6-2 2-6 6-3 | ||
R1  Dominique RollandD. Rolland | W | 7-6(1) 2-6 6-1 | ||
| Chicago Challenger - 04-08-2025 | ||||
Q3  Tsung-Hao HuangT. Huang | L | 1-6 7-5 6-2 | ||
Q1  Ramkumar RamanathanR. Ramanathan | W | 6-1 6-7(4) 5-3 ret. | ||
D. Young Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Charleston Challenger - 25-09-2023 | ||||
Q1 Thai KwiatkowskiT. Kwiatkowski | L | 6-4 6-4 | ||
| Cary 2 Challenger - 11-09-2023 | ||||
R1 Christian LangmoC. Langmo | L | 7-5 6-4 | ||
Q3  Kiranpal PannuK. Pannu | W | 6-4 6-1 | ||
Q1  Federico Agustin GomezF. Agustin | W | 6-3 3-6 6-2 | ||
| Cary 1 Challenger - 07-08-2023 | ||||
Q1 Billy HarrisB. Harris | L | 6-4 6-4 | ||
S. Kozlov vs D. Young Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 56.76% (340/259) | YTD Win/Loss | 52.48% (466/422) |
| 54.04% (763/649) | Sets Win/Loss | 50.88% (1073/1036) |
| 51.52% (6765/6367) | Games Win/Loss | 50.14% (9991/9936) |
| 55.33% (166/134) | Hard Win/Loss | 54.66% (305/253) |
| 59.23% (77/53) | Clay Win/Loss | 46.22% (55/64) |
| 63.08% (82/48) | Indoor Hard W/L | 53.33% (80/70) |
| 38.46% (15/24) | Grass Win/Loss | 42.62% (26/35) |
| 0.23 | Aces Per Game | 0.19 |
| 1442 | Aces Total | 1894 |
| 0.33 | Double Faults Per Game | 0.28 |
| 2109 | Total Double Faults | 2725 |
| 1:35:9 | Average Match Time | 1st Match |
| 565.22 | Average Opponent Rank | 599 |
| 61% (22913/37464) | 1st Serve % | 61% (29071/48011) |
| 66% (15166/22913) | 1st Serve Win % | 68% (19776/29051) |
| 48% (7023/14551) | 2nd Serve Win % | 49% (9265/18927) |
| 42% (1778/4208) | Break Points Won % (Total) | 41% (1812/4419) |
| 42% (15788/37963) | Return Points Win % | 38% (18097/47029) |
| 31.03% (9/20) | Slam W/L | 45.45% (40/48) |
| 23.53% (4/13) | Masters W/L | 41.30% (38/54) |
| 0% (0/0) | Cups W/L | 33.33% (1/2) |
| 38.81% (26/41) | Main Tour W/L | 48.95% (140/146) |
| 58.14% (200/144) | Challenger W/L | 58.86% (216/151) |
| 71.13% (101/41) | Futures W/L | 60.78% (31/20) |
| 57% (332/581) | Best of 3 Sets Win % | 53% (429/810) |
| 45% (5/11) | Best of 5 Sets Win % | 39% (26/66) |
| 48% (69/144) | Tiebreaks Win % (Total) | 53% (141/264) |
| 61% (128/209) | Deciding Set Win % | 54% (133/247) |
| 87% (312/272) | 1st Set Won, Won Match | 84% (457/386) |
| 12% (312/38) | 1st Set Won, Lost Match | 16% (457/71) |
| 24% (287/68) | 1st Set Lost, Won Match | 18% (431/78) |
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