Stadium: Court 8 Round: 25 Ground: Clay
| ITF - M15 Káhira | 2021/11/25 10:20 | Duckhee Lee v Daniil Ostapenkov | 6-4,6-3 |
| ITF - M15 Káhira | 2021/11/24 07:55 | Daniil Ostapenkov v Tsung-Hao Huang | 6-1,6-0 |
| 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 Káhira | 2021/11/30 09:25 | Giuseppe Tresca v Adham Gaber | 6-2,6-1 |
| ITF - M15 Káhira | 2021/11/29 09:00 | Giuseppe Tresca v Filippo Speziali | 6-4,6-1 |
| ITF - M15 Káhira | 2021/11/22 09:00 | Giuseppe Tresca v Filippo Speziali | 6-4,2-6,3-10 |
| ITF - M15 - Antalya | 2021/11/09 10:00 | Giuseppe Tresca v Bastian Malla | 1-6,1-6 |
| ITF - M15 - Antalya | 2021/11/03 06:00 | Edoardo Zanada v Giuseppe Tresca | 4-6,6-4,10-1 |
| ITF - M15 - Antalya | 2021/10/31 07:00 | Giuseppe Tresca v Patrick Fitzgerald | 6-3,6-4 |
| ITF - M15 Girona | 2021/10/19 08:00 | Giuseppe Tresca v Lucas Bouquet | 6-4,2-6,1-10 |
| ITF - M15 Girona | 2021/10/17 13:00 | Stefanos Sakellaridis v Giuseppe Tresca | 6-2,1-6,7-10 |