Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/03/31 12:05 | Takuto Niki v Fares Zakaria | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/25 07:30 | Takuto Niki v Marek Gengel | 1-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/03/24 07:30 | Toby Martin v Takuto Niki | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/03/18 09:40 | Makoto Ochi v Takuto Niki | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/17 13:55 | Takuto Niki v Filip Peliwo | 7-6,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/10 14:50 | Takuto Niki v Mukund Sasikumar | 1-6,7-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/03/03 10:40 | Michail Pervolarakis v Takuto Niki | 7-6,7-5 |
| ITF M25 Aktobe | 2020/02/19 05:00 | Timur Maulenov v Takuto Niki | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/31 09:50 | Marat Deviatiarov v Alessandro Bega | 0-6,3-6 |
| Challenger Lugano | 2021/03/21 10:25 | Ryan Peniston v Alessandro Bega | 6-3,6-0 |
| ATP Acapulco | 2021/03/14 02:40 | Alessandro Bega v Botic Van De Zandschulp | 6-7,1-6 |
| Challenger St. Petersburg | 2021/03/08 07:00 | Alessandro Bega v Matija Pecotic | 3-6,3-6 |
| Challenger St. Petersburg Qual | 2021/03/07 07:00 | Harry Bourchier v Alessandro Bega | 2-6,3-6 |
| Challenger St. Petersburg | 2021/03/01 08:30 | Alessandro Bega v Lucas Catarina | 2-6,3-6 |
| Challenger St. Petersburg | 2021/02/28 09:20 | Alessandro Bega v Alexey Zakharov | 6-4,6-2 |
| ATP Singapore | 2021/02/21 06:20 | Christopher Eubanks v Alessandro Bega | 6-1,6-2 |