Jeff Wolf and Stefan Kozlov will play each other in the quarter of the Bloomfield Hills Challenger for the 9th time in their career. They are scheduled to play on Friday at 4:00 pm on STADIUM. In the following paragraphs, you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Jeff Wolf who should win in 2 sets.
As per the initial odds, Jeff Wolf is the pick to win this match.
Jeff Wolf -> 1.23
Stefan Kozlov -> 3.78
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Prediction and head to head Jeff Wolf vs. Stefan Kozlov
This will be the 9th time that Jeff Wolf and Stefan Kozlov fight against each other. The head to head is 4-4 (see full H2H stats), 2-1 on hard.
The last time that they squared off, Wolf won 6-2 7-6(6) in the 1st round in San Diego back in 2022.
Highlights Jeff Wolf vs Stefan Kozlov – San Diego 19-September-2022
Jeff Wolf
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2024 | 14-23 | 8-13 | 6-9 | 0-1 | 0-0 | 0-0 |
| 2023 | 31-26 | 16-13 | 5-5 | 6-4 | 4-4 | 0-0 |
| 2022 | 43-29 | 23-15 | 8-4 | 12-10 | 0-0 | 0-0 |
| 2021 | 16-11 | 7-7 | 0-0 | 9-4 | 0-0 | 0-0 |
| 2020 | 22-10 | 11-3 | 0-1 | 11-6 | 0-0 | 0-0 |
Ranked no. 115, Wolf got to the quarter after beating Andres Martin 6-4 7-5, Yuta Shimizu 6-1 6-4 and Stefan Kozlov .
In the 2nd round, Jeff had a good straight sets win against Shimizu (6-1 6-4). During the match, Wolf scored 66 points vs Shimizu’s 46. Jeff was extremely aggressive to blast 25 winners.
Talking about the service games, Wolf fired 6 aces and he committed only 2 double faults. Jeff Wolf lost the serve twice and he saved 2 break points. Furthermore, Wolf put 61% of his first serves in, winning 76% (25/33) of the points behind his 1st serve and 48% (10/21) on the 2nd serve. Jeff broke Shimizu 5 times after converting 71% of his break points (5/7).
Overall Performance in this tournament
The American hasn’t conceded yet a set in this tournament to conquer 56% of the points he played.
Wolf has winning win-loss record in the last 10 years having won 58% of his matches (173-127). 3-6 on hard in 2024. Regarding his performance on the same surface of this event, Wolf has an aggregate 86-66 win-loss record in the last years on hard.
Wolf has an aggregate 9-15 win-loss record in 2024, 3-6 on hard (See FULL STATS).
Previously in the Bloomfield Hills Challenger
The American has never competed in this tournament before.
Stefan Kozlov
30 - 14win/loss
349
103
LWWLWWLWWL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2024 | 36-18 | 16-9 | 17-8 | 3-1 | 0-0 | 0-0 |
| 2023 | 6-12 | 1-6 | 0-0 | 5-6 | 0-0 | 0-0 |
| 2022 | 21-34 | 14-18 | 0-5 | 4-5 | 3-6 | 0-0 |
| 2021 | 41-15 | 20-12 | 5-2 | 16-1 | 0-0 | 0-0 |
| 2020 | 13-13 | 7-8 | 0-0 | 6-5 | 0-0 | 0-0 |
Ranked no. 442, Kozlov got to the quarter after beating Nicholas Herdoiza 6-3 6-1, William Grant 6-1 6-4, Michael Zheng 4-6 7-5 6-1 and Tung-Lin Wu 5-7 6-3 4-0 ret..
In the 2nd round against Wu, the American had a free pass after Wu retired on a 5-7 6-3 4-0 . scoreline.
Stefan’s best result of the current season was getting to the semifinal in the Kigali 1 Challenger and the Tallahassee Challenger.
The American has an aggregate 29-14 win-loss record in 2024, 9-5 on hard (See FULL STATS).
H2H Performance in the tournament (main draw)
Matches, sets, games and points
| Points | Wolf | Kozlov |
|---|---|---|
| Match played | 2 | 4 |
| Tot Set | 4 | 11 |
| Tot Games | 39 | 87 |
| Pts | 143-111 | 321-232 |
| Total Points | 254 | 553 |
| Winners | 51 | 140 |
| %Winners | 36% | 44% |
Wolf played 2 matches while Kozlov competed in 4 matches. Kozlov started his run from the qualifications while Wolf had a direct access to the main draw. At the moment, Stefan Kozlov surrendered 2 sets while Jeff Wolf hasn’t dropped a set so far. Wolf has played 7 set(s) less than Kozlov (4 vs 11). Therefore, Wolf played 48 games less than Kozlov. Wolf scored 51 winners (36% of the total points). On the other side, Kozlov bagged 140 winners (44%).
Serve Performance
| Serve | Wolf | Kozlov |
|---|---|---|
| Aces | 17 | 6 |
| Avg per match | 8.5 | 1.5 |
| 1st in | 65/113 | 188/252 |
| %1st in | 58% | 75% |
| 1st pts | 51/65 | 140/188 |
| %1st pts | 78% | 74% |
| 2nd pts | 24/48 | 37/64 |
| %2nd pts | 50% | 58% |
Wolf fired 17 aces (8.5 per match). Kozlov made 6 aces (1.5 per match). Wolf won 78% points behind his first serve. He pretty effective on his second serve to win 50% of the points. On the other side, Kozlov won 74% of the points behind his first serve. He had a solid display on his second serve to win 58% of the points.
How they played the important points
| Breaks | Wolf | Kozlov |
|---|---|---|
| Won | 9 | 18 |
| Converted | 9/15 | 18/41 |
| % Converted | 60% | 44% |
| Conceded | 8 | 16 |
| Saved | 4 | 9 |
| % Saved | 50% | 56% |
| Times Broken | 4 | 7 |
Wolf broke his opponents 9 times with a 60% conversion rate. The American conceded his serve 4 times and he saved 50% of the break points that he conceded. Stefan broke his opponents 18 times with a 44% conversion rate. Kozlov conceded his serve 7 times and he saved 56% of the break points that he conceded.
| Wolf | ||||
| R1 Martin |
R2 Shimizu |
Total | ||
|---|---|---|---|---|
| Score | 6-4 7-5 | 6-1 6-4 | ||
| Tot Set | 2 | 2 | 4 | |
| Tot Games | 22 | 17 | 39 | |
| pts | 77-65 | 66-46 | 143-111 | |
| Total points | 142 | 112 | 254 | |
| Winners | 26 | 25 | 51 | |
| %Winners | 34% | 38% | 36% | |
| SERVE | ||||
| Aces | 11 | 6 | 17 | |
| Double Faults | 4 | 2 | 6 | |
| 1st in | 32/59 | 33/54 | 65/113 | |
| % 1st in | 54% | 61% | 58% | |
| 1st pts | 26/32 | 25/33 | 51/65 | |
| % 1st pts | 81% | 76% | 78% | |
| 2nd pts | 14/27 | 10/21 | 24/48 | |
| % 2nd pts | 52% | 48% | 50% | |
| Breaks | ||||
| Won | 4 | 5 | 9 | |
| Converted | 4/8 | 5/7 | 9/15 | |
| Converted % | 50% | 71% | 60% | |
| Conceded | 4 | 4 | 8 | |
| Saved | 2/4 | 2/4 | 4 | |
| Saved % | 50% | 50% | 50% | |
| Times Broken | 2 | 2 | 4 | |
| Kozlov | ||||||
| Q1 Herdoiza |
Q3 Grant |
R1 Zheng |
R2 Wu |
Total | ||
|---|---|---|---|---|---|---|
| Score | 6-3 6-1 | 6-1 6-4 | 4-6 7-5 6-1 | 5-7 6-3 4-0 ret. | ||
| Tot Set | 2 | 2 | 3 | 3 | 10 | |
| Tot Games | 16 | 17 | 29 | 25 | 87 | |
| pts | 63-35 | 58-37 | 104-85 | 96-75 | 321-232 | |
| Total points | 98 | 95 | 189 | 171 | 553 | |
| Winners | 23 | 23 | 48 | 46 | 140 | |
| %Winners | 37% | 40% | 46% | 48% | 44% | |
| SERVE | ||||||
| Aces | 2 | 0 | 2 | 2 | 6 | |
| Double Faults | 3 | 2 | 1 | 2 | 8 | |
| 1st in | 26/38 | 34/51 | 67/87 | 61/76 | 188/252 | |
| % 1st in | 68% | 67% | 77% | 80% | 75% | |
| 1st pts | 23/26 | 23/34 | 48/67 | 46/61 | 140/188 | |
| % 1st pts | 88% | 68% | 72% | 75% | 74% | |
| 2nd pts | 7/12 | 13/17 | 9/20 | 8/15 | 37/64 | |
| % 2nd pts | 58% | 76% | 45% | 53% | 58% | |
| Breaks | ||||||
| Won | 5 | 4 | 5 | 4 | 18 | |
| Converted | 5/10 | 4/7 | 5/11 | 4/13 | 18/41 | |
| Converted % | 50% | 57% | 45% | 31% | 44% | |
| Conceded | 2 | 1 | 5 | 8 | 16 | |
| Saved | 1/2 | 0/1 | 2/5 | 6/8 | 9 | |
| Saved % | 50% | 0% | 40% | 75% | 83% | |
| Times Broken | 1 | 1 | 3 | 2 | 7 | |
Head 2 Head
WLLWLLWLLW
LWWLWWLWWL 
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- Ryan SeggermanSeggerman – Gijs BrouwerBrouwer (0-0) – H2H and prediction
