Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Edwardsville | 2021/07/22 16:50 | Boyer, Dusty H v Griffith, William | 6-4,6-7,1-6 |
| ITF M15 Edwardsville | 2021/07/21 21:50 | Griffith, William v Nathan Ponwith | 7-5,6-4 |
| ITF M15 Edwardsville | 2021/07/20 14:30 | Griffith, William v Howard-Tripp, Joshua | 4-6,6-2,10-3 |
| ITF M15 Edwardsville | 2021/07/19 15:00 | Griffith, William v Richards, Alexander | 6-1,6-1 |
| ITF - M15 Héraklion | 2021/06/11 07:00 | Griffith, William v Billy Harris | 2-6,6-7 |
| ITF - M15 Héraklion | 2021/06/10 11:15 | Griffith, William v Cash, Julian | 7-5,7-6 |
| ITF - M15 Héraklion | 2021/06/09 11:45 | Marvin Moeller v Griffith, William | 4-6,4-6 |
| ITF - M15 Héraklion | 2021/06/08 06:30 | Graziani, Edoardo v Griffith, William | 6-1,4-6,4-10 |
| ITF M15 Edwardsville | 2021/07/22 16:00 | Cannon Kingsley v Felix Corwin | 6-2,6-2 |
| ITF M15 Edwardsville | 2021/07/21 22:10 | Martin Damm v Cannon Kingsley | 3-6,4-6 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/03 14:00 | Cannon Kingsley v Gonzalo Villanueva | 4-6,7-6,2-6 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/02 20:50 | Federico Agustin Gomez v Cannon Kingsley | 6-3,3-6,6-10 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/01 20:06 | Kohen, Alan v Cannon Kingsley | 3-6,1-6 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/01 16:25 | Kohen, Alan v Cannon Kingsley | 3-6,1-6 |
| UTR Pro Tennis Series Florida | 2020/12/19 18:00 | Cannon Kingsley v Cristian C. Rodriguez Sanchez | 6-2,4-6,3-5 |
| UTR Pro Tennis Series Florida | 2020/12/17 18:00 | Johnson, Janmagnus v Cannon Kingsley | 5-7,4-6 |