Stadium: Hard Court Central Round: 27 Ground: Hardcourt outdoor
| ITF - M15 Heraklion | 2021/05/29 06:55 | Ze Zhang v Federico Arnaboldi | 6-2,6-1 |
| ITF - M15 Heraklion | 2021/06/03 10:50 | Antonio Cayetano March v Federico Arnaboldi | 3-6,4-6 |
| ITF - M15 Heraklion | 2021/06/02 11:20 | William Griffith v Federico Arnaboldi | 3-6,7-6,3-6 |
| ITF - M15 Heraklion | 2021/06/01 06:30 | Federico Arnaboldi v Sahar Simon | 7-6,6-2 |
| ITF - M15 Heraklion | 2021/05/31 06:30 | Federico Arnaboldi v Lior Goldenberg | 6-3,6-1 |
| ITF - M15 Heraklion | 2021/05/30 08:00 | Federico Arnaboldi v George Houghton | 7-6,6-3 |
| 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 | Yshai Oliel v Federico Arnaboldi | 6-7,6-2,3-6 |
| ITF - M15 Heraklion | 2021/05/26 10:40 | Takuto Niki v Federico Arnaboldi | 3-6,4-6 |
| ITF - M15 Heraklion | 2021/06/03 09:20 | Roman Andres Burruchaga v Ze Zhang | 2-6,1-6 |
| ITF - M15 Heraklion | 2021/06/02 10:15 | Takuto Niki v Ze Zhang | 2-6,3-6 |
| 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 |