Estadio: Hard Court Central Round: 25 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/05/20 06:30 | Takuto Niki v Ze Zhang | 5-7,3-6 |
| ITF M15 Heraklion | 2021/05/26 10:40 | Takuto Niki v Federico Arnaboldi | 3-6,4-6 |
| ITF M15 Heraklion | 2021/05/20 06:30 | Takuto Niki v Ze Zhang | 5-7,3-6 |
| ITF M15 Heraklion | 2021/05/19 09:45 | Takuto Niki v Mark Whitehouse | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2021/04/07 12:45 | Volodymyr Uzhylovskyi v Takuto Niki | 7-6,3-6,6-4 |
| ITF M15 Sharm El Sheikh | 2021/04/01 09:25 | Takuto Niki v Alessandro Bega | 3-6,3-6 |
| 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 Heraklion | 2021/05/30 06:30 | Ryan Peniston v Ze Zhang | 6-4,6-1 |
| ITF M15 Heraklion | 2021/05/29 06:55 | Ze Zhang v Federico Arnaboldi | 6-2,6-1 |
| ITF M15 Heraklion | 2021/05/28 06:30 | Ze Zhang v Luke Johnson | 6-1,6-1 |
| ITF M15 Heraklion | 2021/05/27 09:25 | Ze Zhang v Adam Jones | 6-2,6-1 |
| ITF M15 Heraklion | 2021/05/26 13:10 | Ze Zhang v Alexandros Skorilas | 6-2,6-1 |
| ITF M15 Heraklion | 2021/05/21 06:30 | Yuta Shimizu v Ze Zhang | 6-3,1-6,6-3 |
| ITF M15 Heraklion | 2021/05/20 06:30 | Takuto Niki v Ze Zhang | 5-7,3-6 |
| ITF M15 Heraklion | 2021/05/18 08:00 | Yuki Mochizuki v Ze Zhang | 2-6,3-6 |