Stadium: Hard Court Central Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/06/09 11:45 | Marvin Moeller v William Griffith | 4-6,4-6 |
| ITF M15 Heraklion | 2021/06/08 06:30 | Edoardo Graziani v William Griffith | 6-1,4-6,4-10 |
| ITF M15 Heraklion | 2021/06/07 07:30 | Austin Ansari v William Griffith | 1-6,1-6 |
| ITF M15 Heraklion | 2021/06/06 11:00 | Floris Podzimek v William Griffith | 1-6,1-6 |
| 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 | 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 | 2021/06/09 11:10 | Julian Cash v Takuto Niki | 6-1,1-6,6-3 |
| ITF M15 Heraklion | 2021/06/02 06:30 | Julian Cash v Ben Patael | 2-6,6-7 |
| ITF M15 Heraklion | 2021/06/01 06:30 | Joshua Paris v Julian Cash | 3-6,4-6 |
| ITF M15 Tbilisi | 2021/05/20 07:55 | Zane Khan v Julian Cash | 7-6,6-4 |
| ITF M15 Tbilisi | 2021/05/19 08:40 | Aleksandre Bakshi v Julian Cash | 7-6,5-7,2-6 |
| ITF M15 Tbilisi | 2021/05/18 05:30 | Julian Cash v Lorenzo Vatteroni | 6-2,6-3 |
| ITF M15 Tbilisi | 2021/05/17 05:30 | Julian Cash v Guga Tavadze | 4-6,6-4,10-7 |
| ITF M15 Jerusalem | 2021/05/13 08:30 | Zane Khan v Julian Cash | 7-6,6-4 |