ATP · Challenger 75
Tiburon Challenger 2025 Tournament Results
In brief
Tiburon Challenger 2025 is a Challenger 75 tournament on the ATP tour that started on September 29, 2025. The title went to Michael Zheng, who beat Tyler Zink in the final (6-4 6-4). The draw features 23 players from 12 countries. Best represented: United States (9). 21 matches played, 6 tie-breaks and no retirements.
Bracket
Final
Roll of honour
| Year | Champion | Runner-up |
|---|---|---|
| 2026 |  Darwin Blanch | Michael Mmoh 3-6 6-4 6-2 |
| 2025 | Michael Zheng | Tyler Zink 6-4 6-4 |
The tournament in numbers
- Matches played
- 21
- Tie-breaks
- 6
- Matches to a deciding set
- 7
- 6-0 sets
- 1
- Retirements
- 0
Most games in a match: Nicolas Mejia-Andres Martin, 6-4 4-6 7-6(5) (33 games).
Countries in the draw
| Country | Players | Best result |
|---|---|---|
| United States | 9 | Title |
 United Kingdom | 3 | Round of 16 |
 Germany | 2 | Round of 16 |
 Spain | 1 | Semifinal |
 JO | 1 | Semifinal |
 Colombia | 1 | Quarterfinal |
 Liechtenstein | 1 | Round of 16 |
 Sweden | 1 | Round of 16 |
 Austria | 1 | R32 |
 Australia | 1 | R32 |
Plus 2 more countries.
Points on offer
ATP points by round reached at this edition.
| Round reached | Points |
|---|---|
| Title | 75 |
| Final | 45 |
| Semifinal | 27 |
| Quarterfinal | 15 |
| Round of 16 | 8 |
| R32 | 3 |
R32
| Winner | Loser | Score |
|---|---|---|
| Mitchell Krueger | Daniel Masur | 2-6 6-4 6-2 |
| Murphy Cassone | Moerani Bouzige | 6-3 6-2 |
| Johannus Monday | Alex Rybakov | 6-3 4-6 6-2 |
| Abedallah Shelbayh | Jurij Rodionov | 7-6(3) 6-4 |
| Rafael Jodar | Andre Ilagan | 6-3 3-6 6-1 |
| Benjamin Hassan | Garrett Johns | 7-5 6-3 |
| Michael Zheng | Oliver Tarvet | 6-4 6-3 |
| Olle Wallin | Martin Damm | 2-6 7-6(5) 6-3 |
| Mats Rosenkranz |  Marek Gengel | 7-6(4) 6-2 |
| Nicolas Mejia | Andres Martin | 6-4 4-6 7-6(5) |
| Jack Pinnington Jones |  Duncan Chan | 6-3 6-3 |
Round of 16
| Winner | Loser | Score |
|---|---|---|
| Mitchell Krueger | Murphy Cassone | 6-3 6-7(3) 6-2 |
| Tyler Zink | Johannus Monday | 6-4 6-3 |
| Michael Zheng | Olle Wallin | 6-4 6-1 |
| Nicolas Mejia | Mats Rosenkranz | 2-6 6-4 7-6(5) |
| Rafael Jodar | Jack Pinnington Jones | 6-2 6-3 |
Quarterfinal
| Winner | Loser | Score |
|---|---|---|
| Rafael Jodar | Nicolas Mejia | 6-0 6-2 |
| Michael Zheng | Mitchell Krueger | 7-5 6-3 |
Semifinal
| Winner | Loser | Score |
|---|---|---|
| Tyler Zink | Abedallah Shelbayh | 6-3 6-4 |
| Michael Zheng | Rafael Jodar | 6-4 7-5 |
Final
| Winner | Loser | Score |
|---|---|---|
| Michael Zheng | Tyler Zink | 6-4 6-4 |