Hugo Dellien vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
H. Dellien vs S. Kozlov
Hugo Dellien
BOL
l
l
l
l
l
w
l
l
w
l
1
Win
1
Played
0
Win
32
Age
27
5'11" (180 cm)
Height
6'0" (183 cm)
138
C. Rank
306
64
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$850.0K
Career Money
$372.0K
Right-Handed
Plays
Right-Handed
Stefan Kozlov
USA
l
w
l
w
l
w
w
w
w
w
1
Win
1
Played
0
Win
32
Age
27
5'11" (180 cm)
Height
6'0" (183 cm)
138
C. Rank
306
64
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$850.0K
Career Money
$372.0K
Right-Handed
Plays
Right-Handed
Head-to-head: Dellien 1 - 0 Kozlov
They have played 3 sets in total, with Hugo Dellien winning 2 and Stefan Kozlov winning 1. The last match between Hugo Dellien and Stefan Kozlov was at the Sarasota Challenger, 20-04-2018, Round: QF, Surface: Clay, with Draw getting the victory 5-7 6-1 7-6(6).
| Players | Head To Head Match Wins |
|---|---|
| Dellien | 1 |
| Kozlov | 0 |
Last 1 H2H Matches:
(QF) Sarasota Challenger(04-20-18)
Hugo Dellien
5
6
7
Stefan Kozlov
7
1
6
H. Dellien vs S. Kozlov H2H Profile
| Stats | ||
|---|---|---|
| $849,955 | Career Prize Money | $371,951 |
| 62.84% (548-324) | Career Total W/L | 57.05% (344-259) |
| 1 | Clay | 0 |
| 30 | Titles | 11 |
| 1 | Total H2H Matches | 0 |
| 18.18% (2-9) | YTD Win/Loss | 0% (0-0) |
H. Dellien vs S. Kozlov Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Hugo Dellien has won 45.16% of points on their second serve, while Stefan Kozlov has won 44.27%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Hugo Dellien, in recent form, has won 43.58% of their opponent's second serve points, while Stefan Kozlov has won 47.32%. The same stats for first serve returns are 27.76% and 30.45% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Hugo Dellien has saved 59.26% of breakpoints in recent form, whereas Stefan Kozlov has saved 49.67% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Hugo Dellien has won 53.70% of matches played (W/L 29/25), with Stefan Kozlov winning 70.27% (W/L 26/11) that gives us an overall head-to head prediction overview.
- Best surface: Hugo Dellien has their best career surface win % on Clay, winning 65% (W/L 531/280), and worse career win % on Grass, winning 22% (W/L 2/7). Stefan Kozlov has their best career surface win % on I.hard, winning 65% (W/L 86/48), and worse career win % on Grass, winning 38% (W/L 15/24).
- Player level: In the last year, Hugo Dellien has played most of their matches on the Challengers/ITF tournaments > $10K, winning 63.64% of matches (W/L 21/12), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 68.97% of matches (W/L 20/9). 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 1 times before with Hugo Dellien winning 1 times and Stefan Kozlov being victorious 0 times. They have played 3 sets in total, with Hugo Dellien winning 2 and Stefan Kozlov winning 1.
- The last match between Hugo Dellien and Stefan Kozlov was at the Sarasota Challenger, 20-04-2018, Round: QF, Surface: Clay, with Draw getting the victory 5-7 6-1 7-6(6).
- Head to head match duration: In past head to head matches, the average match time between these players has been 2:31:43.
- Opponent quality stats: Over the last 12 months, Hugo Dellien has played against opponents with an average rank of 219.81 while Stefan Kozlov has played against players with an average rank of 401.92.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Hugo Dellien has won 59% of deciding sets over the last 12 months, while Stefan Kozlov has won 67% in all matches played on tour.
- Break point conversion: In recent form, Hugo Dellien has converted 32.00% of breakpoint opportunities, and Stefan Kozlov has converted 40.82% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Hugo Dellien vs Stefan Kozlov Editorial Preview By TennisTipster88.
H. Dellien vs S. Kozlov H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 1 |
| 18 | Games Won | 14 |
| 2 | Aces (Total) | 2 |
| 4 | Total Double Faults | 10 |
| 2:31:43 | Average Match Time | 2:31:43 |
| 70% (73/105) | 1st Serve % | 74% (82/111) |
| 51% (37/73) | 1st Serve Win % | 50% (41/82) |
| 59% (19/32) | 2nd Serve Win % | 38% (11/29) |
| 43% (9/21) | Break Pts Won % | 40% (8/20) |
| 53% (59/111) | Return Points Win % | 47% (49/105) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Won Match | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Lost Match | 100% (1/1) |
| 100% (1/1) | 1st Set Lost, Won Match | 0% (0/0) |
Recent Performance Stats
2nd Serve Win %: Dellien 51%, Kozlov 50%.
Opp 2nd Serve Pts Won: Dellien 47%, Kozlov 55%.
Break Points Saved %: Dellien 61%, Kozlov 58%.
H. Dellien Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Curitiba Challenger - 13-10-2025 | ||||
R2  Daniel Dutra Da SilvaD. Dutra | L | 7-6(4) 6-2 | ||
R1 Mateus AlvesM. Alves | W | 4-6 7-6(6) 6-4 | ||
| Antofagasta Challenger - 29-09-2025 | ||||
R1  Alvaro Guillen MezaA. Guillen | L | 3-6 7-6(0) 6-4 | ||
| Buenos Aires Challenger - 22-09-2025 | ||||
R2  Alex BarrenaA. Barrena | L | 6-1 1-0 ret. | ||
R1  Juan Pablo VarillasJ. Pablo | W | 6-2 7-6(3) | ||
S. Kozlov Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 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. | ||
QF Darwin BlanchD. Blanch | W | 6-2 6-7(7) 6-3 | ||
R2 Tyler ZinkT. Zink | W | 6-3 6-3 | ||
R1  Leo BorgL. Borg | W | 6-1 6-0 | ||
H. Dellien vs S. Kozlov Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 62.84% (548/324) | YTD Win/Loss | 57.05% (344/259) |
| 59.15% (1218/841) | Sets Win/Loss | 54.26% (771/650) |
| 53.61% (10223/8845) | Games Win/Loss | 51.60% (6819/6396) |
| 27.08% (13/35) | Hard Win/Loss | 55.33% (166/134) |
| 65.47% (531/280) | Clay Win/Loss | 59.23% (77/53) |
| 50.00% (2/2) | Indoor Hard W/L | 64.18% (86/48) |
| 22.22% (2/7) | Grass Win/Loss | 38.46% (15/24) |
| 0.12 | Aces Per Game | 0.23 |
| 1159 | Aces Total | 1452 |
| 0.12 | Double Faults Per Game | 0.33 |
| 1123 | Total Double Faults | 2118 |
| 1:16:8 | Average Match Time | 1:35:11 |
| 480.5 | Average Opponent Rank | 564.22 |
| 73% (33535/46167) | 1st Serve % | 61% (23067/37710) |
| 65% (21854/33535) | 1st Serve Win % | 66% (15282/23067) |
| 50% (6347/12632) | 2nd Serve Win % | 48% (7078/14643) |
| 44% (2289/5184) | Break Points Won % (Total) | 42% (1795/4248) |
| 42% (19722/46935) | Return Points Win % | 42% (15932/38264) |
| 33.33% (14/28) | Slam W/L | 31.03% (9/20) |
| 53.57% (15/13) | Masters W/L | 23.53% (4/13) |
| 62.96% (17/10) | Cups W/L | 0% (0/0) |
| 50.00% (47/47) | Main Tour W/L | 38.81% (26/41) |
| 64.76% (261/142) | Challenger W/L | 58.62% (204/144) |
| 70.04% (194/83) | Futures W/L | 71.13% (101/41) |
| 64% (534/828) | Best of 3 Sets Win % | 57% (336/585) |
| 31% (11/35) | Best of 5 Sets Win % | 45% (5/11) |
| 52% (111/215) | Tiebreaks Win % (Total) | 48% (70/146) |
| 61% (169/275) | Deciding Set Win % | 61% (129/210) |
| 88% (515/455) | 1st Set Won, Won Match | 87% (316/276) |
| 11% (515/59) | 1st Set Won, Lost Match | 12% (316/38) |
| 25% (356/90) | 1st Set Lost, Won Match | 24% (287/68) |
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