Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Sharm El Sheikh | 2021/11/10 14:05 | Saba Purtseladze v Daniil Ostapenkov | 7-6,6-3 |
| ITF M15 Sharm El Sheikh | 2021/11/03 08:00 | Daniil Ostapenkov v Emiliano Maggioli | 6-3,1-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/10/27 08:00 | Karim-Mohamed Maamoun v Daniil Ostapenkov | 7-6,6-0 |
| Davis Cup | 2021/09/19 17:40 | Federico Coria v Daniil Ostapenkov | 6-3,6-1 |
| Davis Cup | 2021/09/18 14:00 | Diego Schwartzman v Daniil Ostapenkov | 4-6,3-6 |
| Davis Cup | 2020/03/07 14:30 | Dominik Koepfer v Daniil Ostapenkov | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2021/11/18 08:00 | Sebastian Prechtel v Tsung-Hao Huang | 6-3,2-6,6-3 |
| ITF M15 Sharm El Sheikh | 2021/11/17 11:45 | Tsung-Hao Huang v Adrian Oetzbach | 7-6,6-0 |
| ITF M15 Sharm El Sheikh | 2021/11/15 08:00 | Tsung-Hao Huang v Jakub Kroslak | 6-4,6-2 |
| ITF M15 Sharm El Sheikh | 2021/11/07 15:30 | Tsung-Hao Huang v Roland Stuurman | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/11/03 09:25 | Tsung-Hao Huang v Francesco Vilardo | 6-2,3-6,2-6 |
| ITF M15 Hong Kong | 2020/01/08 02:00 | Coleman Wong v Tsung-Hao Huang | 6-4,6-1 |
| ITF M15 Sharm El Sheikh | 2019/11/13 08:00 | Tsung-Hao Huang v Kai Lemstra | 6-7,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/06 08:00 | Tsung-Hao Huang v Kacper Zuk | 1-6,2-6 |