Tyler Zink and Stefan Kozlov will clash against each other in the 2nd round of the Champaign Challenger for the 1st time in their career. They are scheduled to play on Thursday at 11:00 am on THE SCHWARTZ COURT. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Stefan Kozlov who should win in 3 sets.
Stefan Kozlov -> 1.68
Tyler Zink -> 2.03
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Prediction and head to head Tyler Zink vs. Stefan Kozlov
There is no head to head record between Tyler Zink and Stefan Kozlov since this will be the first time that they will clash against each other in the main tour.
Tyler Zink
37 - 31win/loss
293
278
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 37-31 | 13-14 | 15-9 | 8-7 | 1-1 | 0-0 |
| 2024 | 31-12 | 13-7 | 9-1 | 9-4 | 0-0 | 0-0 |
| 2023 | 4-10 | 1-2 | 3-6 | 0-2 | 0-0 | 0-0 |
| 2022 | 17-14 | 11-11 | 4-2 | 2-1 | 0-0 | 0-0 |
| 2021 | 6-9 | 6-7 | 0-1 | 0-1 | 0-0 | 0-0 |
Ranked no. 298, the American reached the 2nd round after beating Shunsuke Mitsui 7-6(5) 6-1.
In the 1st round, Zink had a good straight sets win against Mitsui (7-65 6-1). During the match, Zink scored 73 points vs Mitsui’s 65. The American was extremely aggressive to blast 27 winners.
Regarding the service games, Zink managed to score 3 aces and he committed only 3 double faults. Tyler Zink lost the serve twice and he saved 4 break points. Furthermore, Zink put 61% of his first serves in, winning 64% (27/42) of the points behind his 1st serve and 52% (14/27) on the 2nd serve. Tyler broke Mitsui 5 times after converting 42% of his break points (5/12).
Zink has a winning match record in the last 7 years having won 55% of his matches (101-82). 8-6 on indoor hard courts in 2025. Talking about his performance on the same surface of this event, Zink has an aggregate19-14 record in the last 7 years on indoor hard courts.
Zink’s best result of the year was getting to the final in M15 Orange Park and the Tiburon Challenger.
The American has an aggregate 37-30 win-loss record in 2025, 8-6 on indoor hard courts (See FULL STATS).
Previously in the Champaign Challenger
Stefan Kozlov
23 - 11win/loss
306
103
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 26-11 | 12-6 | 4-1 | 10-3 | 0-1 | 0-0 |
| 2024 | 37-19 | 16-9 | 17-8 | 4-2 | 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 |
Ranked no. 458, Stefan reached the 2nd round after defeating Leo Borg 6-1 6-0.
In the 1st round, The American had a good straight sets win against Borg (6-1 6-0). During the match Kozlov scored 53 points vs Borg’s 25. Stefan was very aggressive to blast 20 winners.
About the serving games, Kozlov made 6 aces and he committed only 1 double fault for the entire match. Stefan Kozlov conceded no breaks for the entire match to put 58% of his first serves in, win 91% (20/22) of the points behind his 1st serve and 50% (8/16) on the 2nd serve. The American broke Borg 5 times after converting 71% of his break points (5/7).
Stefan’s best result of the current season was reaching the final in M25 Xalapa.
Kozlov has a compiled 22-11 win-loss record in 2025, 6-3 on indoor hard courts (See FULL STATS).
Previously in the Champaign Challenger
Previously, he won this tournament once in 2021. See his history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Zink | Kozlov |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 2 |
| Tot Games | 20 | 13 |
| Pts | 73-65 | 53-25 |
| Total Points | 138 | 78 |
| Winners | 27 | 20 |
| %Winners | 37% | 38% |
Both Zink and Kozlov played 1 match. Both players have not dropped a single set in this event so far. Talking about their workload, Zink and Kozlov have played the same amount of sets 2. However, Zink played 7 games more than Kozlov. Tyler scored 27 winners (37% of the total points). On the other side, Stefan struck 20 winners (38%).
Serve Performance
| Serve | Zink | Kozlov |
|---|---|---|
| Aces | 3 | 6 |
| Avg per match | 3 | 6 |
| 1st in | 42/69 | 22/38 |
| %1st in | 61% | 58% |
| 1st pts | 27/42 | 20/22 |
| %1st pts | 64% | 91% |
| 2nd pts | 14/27 | 8/16 |
| %2nd pts | 52% | 50% |
Zink struck 3 aces . Kozlov fired 6 aces . Zink won 64% points on his first serve. He was rock solid on his second serve to win 52% of the points. On the other side, Kozlov won 91% of the points behind his first serve. He had a solid display on his second serve to win 50% of the points.
How they played the important points
| Breaks | Zink | Kozlov |
|---|---|---|
| Won | 5 | 5 |
| Converted | 5/12 | 5/7 |
| % Converted | 42% | 71% |
| Conceded | 6 | 0 |
| Saved | 4 | 0 |
| % Saved | 67% | 0% |
| Times Broken | 2 | 0 |
Zink broke his opponent 5 times with a 42% conversion rate. Zink lost his serve twice and he saved 67% of the break points that he conceded. The American broke his opponent 5 times with a 71% conversion rate. The American was rock solid on his serve as he has never conceded a single service game after saving 0 break points.
| Zink | |||
| R1 Mitsui | Total | ||
|---|---|---|---|
| Score | 7-65 6-1 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 20 | 20 | |
| pts | 73-65 | 73-65 | |
| Total points | 138 | 138 | |
| Winners | 27 | 27 | |
| %Winners | 37% | 37% | |
| SERVE | |||
| Aces | 3 | 3 | |
| Double Faults | 3 | 3 | |
| 1st in | 42/69 | 42/69 | |
| % 1st in | 61% | 61% | |
| 1st pts | 27/42 | 27/42 | |
| % 1st pts | 64% | 64% | |
| 2nd pts | 14/27 | 14/27 | |
| % 2nd pts | 52% | 52% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/12 | 5/12 | |
| Converted % | 42% | 42% | |
| Conceded | 6 | 6 | |
| Saved | 4/6 | 4 | |
| Saved % | 67% | 67% | |
| Times Broken | 2 | 2 | |
| Kozlov | |||
| R1 Borg | Total | ||
|---|---|---|---|
| Score | 6-1 6-0 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 13 | 13 | |
| pts | 53-25 | 53-25 | |
| Total points | 78 | 78 | |
| Winners | 20 | 20 | |
| %Winners | 38% | 38% | |
| SERVE | |||
| Aces | 6 | 6 | |
| Double Faults | 1 | 1 | |
| 1st in | 22/38 | 22/38 | |
| % 1st in | 58% | 58% | |
| 1st pts | 20/22 | 20/22 | |
| % 1st pts | 91% | 91% | |
| 2nd pts | 8/16 | 8/16 | |
| % 2nd pts | 50% | 50% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/7 | 5/7 | |
| Converted % | 71% | 71% | |
| Conceded | 0 | 0 | |
| Saved | 0/0 | 0 | |
| Saved % | – | 0% | |
| Times Broken | 0 | 0 | |
Tennis Scores in Champaign Challenger
- Murphy CassoneCassone – Aidan MchughMchugh (1-6 7-6(0) 6-3) – Stats, scores, rankings
- Murphy CassoneCassone – Aidan MchughMchugh (1-6 7-6(0) 6-3) – Stats, scores, rankings
- Cedrik-Marcel StebeStebe – Jay Dylan Hara FriendDylan Hara Friend (7-66 7-5) – Stats, scores, rankings
- Alex MartinezMartinez – Adam JillyJilly (6-3 6-2) – Stats, scores, rankings
- Mats RosenkranzRosenkranz – Adhithya GanesanGanesan (6-1 6-2) – Stats, scores, rankings
Upcoming matches in the draw
- Cedrik-Marcel StebeStebe – Alex MartinezMartinez (0-0) – H2H and prediction
- Stefan KozlovKozlov – Tyler ZinkZink (0-0) – H2H and prediction
- Mats RosenkranzRosenkranz – (1-0) – H2H and prediction