Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| Newport Beach, USA | 2020/01/27 18:30 | Velotti, Agustin v Griffith, William | 6-2,6-4 |
| ITF M15 Cancun | 2019/09/15 19:00 | Griffith, William v Astorga, Mauricio | 6-7,3-6 |
| ITF M15 Cancun | 2019/09/15 14:30 | Griffith, William v Stafford, Jabari | 6-0,6-2 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/04 12:00 | Griffith, William v Tverijonas, Julius | 4-6,5-7 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/03 09:00 | Griffith, William v Martini, Ottaviano | 6-4,6-3 |
| Sao Bras Alportel, Singles Q M-ITF-POR-13A | 2019/09/02 09:00 | Griffith, William v Bajwa, Paramveer Singh | 7-6,6-1 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/29 12:30 | Griffith, William v Trusendi, Walter | 2-6,4-6 |
| Piombino, Singles M-ITF-ITA-19A | 2019/08/28 19:10 | Bessire, Francesco v Griffith, William | 3-6,6-7 |
| ITF - M15 Héraklion | 2020/02/09 08:00 | Knoess, Vincent v Matic Dimic | 4-6,2-6 |