| 2025-09-12 | Davis Cup WG1 R1: TPE vs NOR | Hard | RR | 159 |  Nicolai Budkov Kjaer | 120 |  Chun-Hsin Tseng | 7-6(2) 6-4 | H2H | 3 | 113 | 8 | 5 | 55.8% | 83.3% | 47.4% | 3/3 |
| 2025-09-12 | Davis Cup WG1 R1: TPE vs NOR | Hard | RR | 120 | Chun-Hsin Tseng | 246 | Viktor Durasovic | 6-1 6-1 | H2H | 3 | 55 | 2 | 2 | 60.6% | 95.0% | 69.2% | 0/0 |
| 2025-08-24 | US Open | Hard | R128 | 48 |  Zizou Bergs | 118 | Chun-Hsin Tseng | 6-3 6-4 6-3 | H2H | 5 | 115 | 7 | 5 | 60.3% | 68.3% | 55.6% | 1/5 |
| 2025-08-18 | Winston-Salem | Hard | R64 | 76 |  Yunchaokete Bu | 119 | Chun-Hsin Tseng | 6-7(2) 6-3 7-6(4) | H2H | 3 | 192 | 9 | 4 | 52.4% | 83.3% | 55.1% | 3/5 |
| 2025-07-27 | Canada Masters | Hard | R128 | 78 |  Christopher O'Connell | 107 | Chun-Hsin Tseng (LL) | 6-1 6-2 | H2H | 3 | 75 | 6 | 2 | 54.9% | 75.0% | 52.2% | 1/2 |
| 2025-07-21 | Umag | Clay | R16 | 46 |  Luciano Darderi (2) | 101 | Chun-Hsin Tseng | 7-5 6-0 | H2H | 3 | 89 | 5 | 1 | 61.0% | 72.2% | 65.2% | 2/2 |
| 2025-07-21 | Umag | Clay | R32 | 101 | Chun-Hsin Tseng | 290 | Giulio Zeppieri (Q) | 7-5 6-4 | H2H | 3 | 99 | 3 | 2 | 58.0% | 67.5% | 65.5% | 6/8 |
| 2025-07-14 | Bastad | Clay | R32 | 91 |  Hugo Gaston | 98 | Chun-Hsin Tseng | 6-4 6-3 | H2H | 3 | 78 | 2 | 1 | 64.1% | 68.3% | 56.5% | 5/6 |
| 2025-06-30 | Wimbledon | Grass | R128 | 93 | Aleksandar Vukic | 96 | Chun-Hsin Tseng | 6-3 6-4 4-6 7-6(5) | H2H | 5 | 184 | 11 | 3 | 53.2% | 80.6% | 50.8% | 3/7 |
| 2025-06-23 | Eastbourne | Grass | R32 | 28 |  Alejandro Davidovich Fokina (6) | 96 | Chun-Hsin Tseng (LL) | 7-6(6) 6-2 | H2H | 3 | 93 | 2 | 3 | 66.7% | 87.5% | 65.0% | 2/2 |
