Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF - M25 Sunderland | 2019/04/11 13:25 | Igor Sijsling v Griffith, William | 6-4,6-2 |
| ITF - M25 Sunderland | 2019/04/10 09:00 | Griffith, William v Scott Duncan | 7-5,7-6 |
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/02 10:20 | Griffith, William v Lenz, Julian | 0-6,5-7 |
| ITF - M25 Calabasas | 2019/03/19 18:55 | Gray, Jonathan v Griffith, William | 6-2,7-6 |
| ITF - M25 Calabasas | 2019/03/18 17:00 | Shabaz, Michael v Griffith, William | 7-6,4-6,3-10 |
| ITF - M25 Bakersfield | 2019/03/11 17:00 | Griffith, William v Fox, David | 3-6,6-3,8-10 |
| Tucson, Singles M-ITF-USA-07A | 2019/02/12 19:00 | Griffith, William v Liam Draxl | 3-6,2-6 |
| ITF M15 Claremont | 2019/02/05 20:30 | Nick Chappell v Griffith, William | 7-6,7-5 |
| ITF M15 Cancun | 2019/04/19 14:00 | Yshai Oliel v Evan Zhu | 3-6,6-2,2-6 |
| ITF M15 Cancun | 2019/04/18 17:25 | Krainik, Pavel v Yshai Oliel | 4-6,3-6 |
| ITF M15 Cancun | 2019/04/16 14:00 | Yshai Oliel v Petit, Gabriel | 7-6,6-4 |
| ITF M15 Cancun | 2019/04/11 17:50 | Nicolas Alvarez v Yshai Oliel | 6-3,6-4 |
| ITF M15 Cancun | 2019/04/10 13:30 | Yshai Oliel v Batalla Diez, Juan Ignacio | 6-1,6-3 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/30 07:00 | Robert, Quentin v Yshai Oliel | 6-2,6-4 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/29 07:00 | Kobelt, Peter v Yshai Oliel | 4-6,6-1,1-6 |
| Tel Aviv, Singles Qualifying M-ITF-ISR-01A | 2019/03/28 10:30 | Yshai Oliel v Ugo Blanchet | 6-4,6-1 |