Stadium: Court 5 Round: 45 Ground: Hardcourt outdoor
| ITF M25 Calabasas | 2019/03/18 17:00 | Evan Zhu v Jonathan Gray | 3-6,2-6 |
| ITF M15 Arcadia | 2019/03/12 18:00 | Alan Kohen v Jonathan Gray | 6-3,6-3 |
| ITF M15 Faro | 2019/02/26 10:00 | Constantin Schmitz v Jonathan Gray | 6-2,6-2 |
| ITF M15 Faro | 2019/02/25 13:20 | Goncalo Falcao v Jonathan Gray | 2-6,1-6 |
| ITF M25 Glasgow | 2019/02/18 10:45 | Jonathan Gray v Jakub Paul | 3-6,2-6 |
| ITF M25 Barnstaple | 2019/02/11 13:45 | Jonathan Gray v Mark Whitehouse | 5-7,6-7 |
| ITF M15 Monastir | 2019/01/24 11:25 | Jonathan Gray v Alen Avidzba | 6-4,3-6,3-6 |
| ITF M15 Monastir | 2019/01/22 12:25 | Boris Fassbender v Jonathan Gray | 5-7,4-6 |
| ITF M25 Calabasas | 2019/03/18 17:00 | Michael Shabaz v William Griffith | 7-6,4-6,3-10 |
| ITF M25 Bakersfield | 2019/03/11 17:00 | William Griffith v David Fox | 3-6,6-3,8-10 |
| ITF M15 Tucson | 2019/02/12 19:00 | William Griffith v Liam Draxl | 3-6,2-6 |
| ITF M15 Claremont | 2019/02/05 20:30 | Nick Chappell v William Griffith | 7-6,7-5 |
| Challenger Fairfield | 2018/10/06 19:25 | Jan Choinski v William Griffith | 6-4,7-6 |
| ITF Canada F6 | 2018/09/04 15:40 | Alejandro Gomez v William Griffith | 6-2,6-2 |
| Challenger Aptos | 2018/08/04 20:55 | Alexander Ward v William Griffith | 7-6,7-6 |
| Challenger Aptos | 2018/08/04 16:00 | William Griffith v Brian Brogan | 6-1,6-0 |