China: Hangzhou - Singles - Qualification |
| Semi-finals | Spizzirri E. | Tseng C. H. | 2:1 (2:6, 6:1, 6:4) | dettagli | 16.09.2025 |
World: Davis Cup - World Group I - Singles - Main |
| | Tseng C. H. | Budkov Kjaer N. | 0:2 (62:7, 4:6) | dettagli | 14.09.2025 |
| | Tseng C. H. | Durasovic V. | 2:0 (6:1, 6:1) | dettagli | 13.09.2025 |
USA: US Open - Singles - Main |
| 1/64-finals | Bergs Z. | Tseng C. H. | 3:0 (6:3, 6:4, 6:3) | dettagli | 25.08.2025 |
USA: Winston-Salem - Singles - Main |
| 1/32-finals | Bu Y. | Tseng C. H. | 2:1 (62:7, 6:3, 7:64) | dettagli | 18.08.2025 |
USA: Cincinnati - Singles - Qualification |
| Semi-finals | Tseng C. H. | Svajda Z. | CAN. | dettagli | 05.08.2025 |
Canada: Toronto - Singles - Main |
| 1/64-finals | O'Connell C. | Tseng C. H. | 2:0 (6:1, 6:2) | dettagli | 28.07.2025 |
Canada: Toronto - Singles - Qualification |
| Final | Tseng C. H. | Blanchet U. | 0:2 (4:6, 5:7) | dettagli | 26.07.2025 |
Croatia: Umag - Singles - Main |
| 1/8-finals | Tseng C. H. | Darderi L. | 0:2 (5:7, 0:6) | dettagli | 23.07.2025 |
| 1/16-finals | Tseng C. H. | Zeppieri G. | 2:0 (7:5, 6:4) | dettagli | 21.07.2025 |
Sweden: Bastad - Singles - Main |
| 1/16-finals | Gaston H. | Tseng C. H. | 2:0 (6:4, 6:3) | dettagli | 15.07.2025 |
Italy: Trieste - Singles - Main |
| 1/16-finals | Tseng C. H. | Nagal S. | 1:2 (1:6, 6:2, 65:7) | dettagli | 09.07.2025 |
United Kingdom: Wimbledon - Singles - Main |
| 1/64-finals | Tseng C. H. | Vukic A. | 1:3 (3:6, 4:6, 6:4, 64:7) | dettagli | 01.07.2025 |
United Kingdom: Eastbourne - Singles - Main |
| 1/16-finals | Tseng C. H. | Davidovich Fokina A. | 0:2 (66:7, 2:6) | dettagli | 23.06.2025 |
United Kingdom: Eastbourne - Singles - Qualification |
| Final | Bellucci M. | Tseng C. H. | 2:0 (6:2, 6:1) | dettagli | 22.06.2025 |
| Semi-finals | Blancaneaux G. | Tseng C. H. | 1:2 (7:5, 64:7, 3:6) | dettagli | 21.06.2025 |
Italy: Perugia - Singles - Main |
| 1/16-finals | Arnaboldi F. | Tseng C. H. | CAN. | dettagli | 10.06.2025 |
Czech Republic: Prostejov - Singles - Main |
| Final | Dellien H. | Tseng C. H. | 2:0 (6:3, 6:4) | dettagli | 07.06.2025 |
| Semi-finals | Tseng C. H. | Tabilo A. | 2:0 (6:4, 6:1) | dettagli | 06.06.2025 |
| Quarter-finals | Tseng C. H. | Rodionov J. | 2:0 (6:4, 6:4) | dettagli | 05.06.2025 |
| 1/8-finals | Tseng C. H. | van Assche L. | 2:0 (6:1, 7:5) | dettagli | 04.06.2025 |
| 1/16-finals | Tseng C. H. | Vallejo D. | 2:0 (7:62, 6:1) | dettagli | 03.06.2025 |
Italy: Vicenza - Singles - Main |
| Final | Tseng C. H. | Neumayer L. | 2:0 (6:3, 6:4) | dettagli | 01.06.2025 |
| Semi-finals | Tseng C. H. | Rodesch C. | 2:0 (6:4, 6:3) | dettagli | 31.05.2025 |
| Quarter-finals | Tseng C. H. | Schwaerzler J. J. | 2:0 (7:5, 6:4) | dettagli | 30.05.2025 |
| 1/8-finals | Tseng C. H. | Bondioli F. | 2:1 (6:3, 1:6, 6:3) | dettagli | 29.05.2025 |
| 1/16-finals | Tseng C. H. | Dellien Velasco M. A. | 2:0 (6:3, 6:3) | dettagli | 27.05.2025 |
France: French Open - Singles - Qualification |
| Quarter-finals | Tseng C. H. | Arnaboldi F. | 1:2 (3:6, 6:3, 3:6) | dettagli | 20.05.2025 |
Italy: Turin 2 - Singles - Main |
| Quarter-finals | Ugo Carabelli C. | Tseng C. H. | 2:1 (1:6, 7:62, 6:1) | dettagli | 16.05.2025 |
| 1/8-finals | Tseng C. H. | Sanchez Jover C. | 2:0 (6:2, 6:4) | dettagli | 15.05.2025 |
| 1/8-finals | Tseng C. H. | Carballes Baena R. | CAN. | dettagli | 15.05.2025 |
| 1/16-finals | Vasami J. | Tseng C. H. | 0:2 (3:6, 2:6) | dettagli | 13.05.2025 |
Italy: Rome - Singles - Main |
| 1/64-finals | Passaro F. | Tseng C. H. | 2:1 (6:0, 2:6, 6:3) | dettagli | 07.05.2025 |
Italy: Rome - Singles - Qualification |
| Final | Tseng C. H. | Cerundolo J. M. | 2:0 (6:1, 6:4) | dettagli | 06.05.2025 |
| Semi-finals | Tseng C. H. | Piraino G. | 2:0 (6:2, 6:4) | dettagli | 05.05.2025 |
Spain: Madrid - Singles - Qualification |
| Semi-finals | Garin C. | Tseng C. H. | 2:1 (2:6, 6:3, 7:5) | dettagli | 21.04.2025 |
Germany: Munich - Singles - Main |
| 1/16-finals | Tseng C. H. | Altmaier D. | 0:2 (65:7, 65:7) | dettagli | 14.04.2025 |
Germany: Munich - Singles - Qualification |
| Final | Tseng C. H. | Harris B. | 2:1 (4:6, 7:65, 6:2) | dettagli | 13.04.2025 |
| Semi-finals | O'Connell C. | Tseng C. H. | 0:2 (3:6, 2:6) | dettagli | 12.04.2025 |
Monaco: Monte Carlo - Singles - Qualification |
| Semi-finals | Navone M. | Tseng C. H. | 2:0 (6:3, 6:1) | dettagli | 05.04.2025 |
Romania: Bucharest - Singles - Main |
| 1/16-finals | Diallo G. | Tseng C. H. | 2:0 (7:65, 7:62) | dettagli | 01.04.2025 |
Italy: Naples - Singles - Main |
| 1/8-finals | Svrcina D. | Tseng C. H. | 2:0 (6:3, 7:5) | dettagli | 26.03.2025 |
| 1/16-finals | Barrere G. | Tseng C. H. | 0:2 (4:6, 66:7) | dettagli | 25.03.2025 |
USA: Miami - Singles - Main |
| 1/32-finals | Tseng C. H. | Tsitsipas S. | 1:2 (6:4, 5:7, 3:6) | dettagli | 21.03.2025 |
| 1/64-finals | Tseng C. H. | Bellucci M. | 2:0 (7:65, 6:2) | dettagli | 19.03.2025 |
USA: Miami - Singles - Qualification |
| Final | Tseng C. H. | Blanch Dar. | 2:1 (6:4, 1:6, 7:64) | dettagli | 18.03.2025 |
| Semi-finals | Tseng C. H. | Moro Canas A. | 2:0 (7:66, 6:2) | dettagli | 17.03.2025 |
USA: Phoenix - Singles - Qualification |
| Final | Tseng C. H. | Uchiyama Y. | 1:2 (3:6, 6:3, 62:7) | dettagli | 11.03.2025 |
| Semi-finals | Tseng C. H. | Ponwith N. | 2:1 (6:2, 3:6, 6:4) | dettagli | 10.03.2025 |