Estádio: Hard 20 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Heraklion | 2021/06/01 06:30 | Austin Ansari v William Griffith | 1-6,0-6 |
| ITF - M15 Heraklion | 2021/05/31 06:30 | Eduardo Cohen v William Griffith | 1-6,1-6 |
| ITF - M15 Heraklion | 2021/05/30 09:00 | Markus Wunder v William Griffith | 4-6,2-6 |
| ITF - M15 Heraklion | 2021/05/26 08:50 | William Griffith v Yuki Mochizuki | 4-6,4-6 |
| ITF - M15 Heraklion | 2021/05/25 06:30 | Mattia Bellucci v William Griffith | 5-7,2-6 |
| ITF - M15 Heraklion | 2021/05/24 06:30 | Christos Keisidis v William Griffith | 2-6,3-6 |
| ITF - M15 Heraklion | 2021/05/23 08:30 | Jimmy Yang v William Griffith | 2-6,0-6 |
| ITF - M15 Heraklion | 2021/05/18 08:00 | William Griffith v Artur Soghoyan | 4-6,6-1,7-10 |
| 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 | 2021/05/25 06:30 | Federico Arnaboldi v Matthew Dellavedova | 6-2,6-3 |
| ITF - M15 Heraklion | 2021/05/24 06:30 | Federico Arnaboldi v Matas Vasiliauskas | 6-3,6-0 |