Prediction of Sam Riffice vs Stefan Kozlov Head-to-Head, At
Wojtek Kolan
HEAD TO HEAD
S. Riffice vs S. Kozlov
Sam Riffice
USA
w
w
w
l
w
w
w
w
w
l
1
Win
3
Played
2
Win
26
Age
27
6'2" (188 cm)
Height
6'0" (183 cm)
Ret.
C. Rank
458
487
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$372.0K
Right-Handed
Plays
Right-Handed
Stefan Kozlov
USA
w
w
l
w
l
l
w
l
w
l
1
Win
3
Played
2
Win
26
Age
27
6'2" (188 cm)
Height
6'0" (183 cm)
Ret.
C. Rank
458
487
Best Rank
103
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$372.0K
Right-Handed
Plays
Right-Handed
Head-to-head: Riffice 1 - 2 Kozlov
They have played 7 sets in total, with Sam Riffice winning 2 and Stefan Kozlov winning 5. The last match between Sam Riffice and Stefan Kozlov was at the Fairfield Challenger, 11-10-2022, Round: R1, Surface: Hard, with Sam Riffice getting the victory 3-6 6-2 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Riffice | 1 |
| Kozlov | 2 |
Last 3 H2H Matches:
(R1) Fairfield Challenger(10-11-22)
Sam Riffice
3
6
6
Stefan Kozlov
6
2
3
(Q1) Lexington Challenger(07-25-21)
Stefan Kozlov
6
6
Sam Riffice
2
3
(R2) M25 Naples(10-31-19)
Stefan Kozlov
6
6
Sam Riffice
2
4
S. Riffice vs S. Kozlov H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $371,951 |
| 63.91% (108-61) | Career Total W/L | 56.69% (339-259) |
| 0 | Clay | 1 |
| 1 | Hard | 1 |
| 2 | Titles | 10 |
| 1 | Total H2H Matches | 2 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
S. Riffice vs S. Kozlov Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Sam Riffice has won 0% of points on their second serve, while Stefan Kozlov has won 46.33%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Sam Riffice, in recent form, has won 0% of their opponent's second serve points, while Stefan Kozlov has won 48.91%. The same stats for first serve returns are 0% and 30.24% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Sam Riffice has saved 0% of breakpoints in recent form, whereas Stefan Kozlov has saved 51.02% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Sam Riffice has won 0% of matches played (W/L 0/0), with Stefan Kozlov winning 63.64% (W/L 21/12) that gives us an overall head-to head prediction overview.
- Best surface: Sam Riffice has their best career surface win % on Clay, winning 65% (W/L 43/23), and worse career win % on I.hard, winning 50% (W/L 4/4). Stefan Kozlov has their best career surface win % on I.hard, winning 65% (W/L 81/48), and worse career win % on Grass, winning 38% (W/L 15/24).
- Player level: In the last year, Sam Riffice has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 60.00% of matches (W/L 15/10). 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 Sam Riffice winning 1 times and Stefan Kozlov being victorious 2 times. They have played 7 sets in total, with Sam Riffice winning 2 and Stefan Kozlov winning 5.
- The last match between Sam Riffice and Stefan Kozlov was at the Fairfield Challenger, 11-10-2022, Round: R1, Surface: Hard, with Sam Riffice getting the victory 3-6 6-2 6-3.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:43:58.
- Opponent quality stats: Over the last 12 months, Sam Riffice has played against opponents with an average rank of 0 while Stefan Kozlov has played against players with an average rank of 396.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Sam Riffice has won 0% of deciding sets over the last 12 months, while Stefan Kozlov has won 60% in all matches played on tour.
- Break point conversion: In recent form, Sam Riffice has converted 0% of breakpoint opportunities, and Stefan Kozlov has converted 37.96% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Sam Riffice vs Stefan Kozlov Editorial Preview By TennisTipster88.
S. Riffice vs S. Kozlov H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 2 |
| 2 | Sets Won | 5 |
| 26 | Games Won | 35 |
| 8 | Aces (Total) | 11 |
| 8 | Total Double Faults | 4 |
| 1:43:58 | Average Match Time | 1:43:58 |
| 56% (113/201) | 1st Serve % | 63% (110/175) |
| 65% (73/113) | 1st Serve Win % | 70% (77/110) |
| 47% (41/88) | 2nd Serve Win % | 52% (34/65) |
| 54% (7/13) | Break Pts Won % | 38% (11/29) |
| 37% (64/175) | Return Points Win % | 43% (87/201) |
| 33% (1/3) | Best‑of‑3 Win % | 67% (2/3) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 0% (0/0) | 1st Set Won, Won Match | 67% (2/3) |
| 0% (0/0) | 1st Set Won, Lost Match | 33% (1/3) |
| 33% (1/3) | 1st Set Lost, Won Match | 0% (0/0) |
Recent Performance Stats
2nd Serve Win %: Riffice 0%, Kozlov 48%.
Opp 2nd Serve Pts Won: Riffice 0%, Kozlov 55%.
Break Points Saved %: Riffice 0%, Kozlov 58%.
S. Riffice Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Fairfield Challenger - 10-10-2022 | ||||
SF Michael MmohM. Mmoh | L | 6-4 6-4 | ||
QF  Alexis GalarneauA. Galarneau | W | 6-4 7-6(3) | ||
R2 Christian LangmoC. Langmo | W | 6-7(5) 6-3 6-4 | ||
R1 Stefan KozlovS. Kozlov | W | 3-6 6-2 6-3 | ||
Q3 Ezekiel ClarkE. Clark | W | 5-7 7-5 6-3 | ||
S. Kozlov Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 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. | ||
 Newport Challenger - 07-07-2025 | ||||
R1 Mitchell KruegerM. Krueger | L | 6-1 3-6 6-1 | ||
S. Riffice vs S. Kozlov Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 63.91% (108/61) | YTD Win/Loss | 56.69% (339/259) |
| 61.42% (234/147) | Sets Win/Loss | 53.97% (761/649) |
| 55.85% (1937/1531) | Games Win/Loss | 51.47% (6753/6366) |
| 64.21% (61/34) | Hard Win/Loss | 55.33% (166/134) |
| 65.15% (43/23) | Clay Win/Loss | 59.23% (77/53) |
| 50.00% (4/4) | Indoor Hard W/L | 62.79% (81/48) |
| 0% (0/0) | Grass Win/Loss | 38.46% (15/24) |
| 0.29 | Aces Per Game | 0.22 |
| 486 | Aces Total | 1436 |
| 0.21 | Double Faults Per Game | 0.33 |
| 349 | Total Double Faults | 2108 |
| 1:17:21 | Average Match Time | 1:35:13 |
| 491.67 | Average Opponent Rank | 565.26 |
| 56% (4866/8749) | 1st Serve % | 61% (22891/37426) |
| 68% (3318/4866) | 1st Serve Win % | 66% (15146/22891) |
| 50% (1932/3883) | 2nd Serve Win % | 48% (7015/14535) |
| 46% (450/968) | Break Points Won % (Total) | 42% (1773/4201) |
| 42% (3679/8685) | Return Points Win % | 42% (15763/37923) |
| 0.00% (0/2) | Slam W/L | 31.03% (9/20) |
| 0% (0/0) | Masters W/L | 23.53% (4/13) |
| 0% (0/0) | Main Tour W/L | 38.81% (26/41) |
| 50.00% (15/15) | Challenger W/L | 58.02% (199/144) |
| 67.88% (93/44) | Futures W/L | 71.13% (101/41) |
| 64% (104/163) | Best of 3 Sets Win % | 57% (331/580) |
| 50% (2/4) | Best of 5 Sets Win % | 45% (5/11) |
| 32% (12/37) | Tiebreaks Win % (Total) | 48% (69/144) |
| 54% (22/41) | Deciding Set Win % | 61% (128/209) |
| 91% (99/90) | 1st Set Won, Won Match | 87% (311/271) |
| 9% (99/9) | 1st Set Won, Lost Match | 12% (311/38) |
| 26% (70/18) | 1st Set Lost, Won Match | 24% (287/68) |
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