Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Idanha-a-Nova | 2019/07/10 15:05 | Griffith, William v Salgado, Afonso | 6-2,6-2 |
| ITF M15 Idanha-a-Nova | 2019/07/03 13:50 | Juan Carlos Aguilar v Griffith, William | 6-4,6-2 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/05 03:25 | Addison, Aaron v Griffith, William | 6-2,6-3 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/29 04:55 | Griffith, William v Anton Chekhov | 6-2,3-6,4-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/05/21 06:45 | Rio Noguchi v Griffith, William | 7-5,6-2 |
| ITF M15 Cancun | 2019/04/23 14:00 | Griffith, William v Yshai Oliel | 6-7,4-6 |
| 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 |
| ITF M15 Idanha-a-Nova | 2019/07/10 13:25 | Dias, Francisco v Glvac, Andrej | 6-3,6-4 |
| ITF M15 Idanha-a-Nova | 2019/07/09 09:00 | Dias, Francisco v Pedro Araujo | 7-6,7-6 |
| ITF M15 Idanha-a-Nova | 2019/07/08 09:00 | Dias, Francisco v Wojciechowski Osorio, Henrique | 6-4,6-2 |
| ITF M15 Idanha-a-Nova | 2019/07/02 09:00 | Cabral, Francisco v Dias, Francisco | 6-3,6-3 |
| ITF M15 Idanha-a-Nova | 2019/07/01 09:00 | Bentekhici, Imrane v Dias, Francisco | 2-6,6-7 |
| ITF M15 Valldoreix | 2019/05/14 08:00 | Michiel de Krom v Dias, Francisco | 6-0,6-2 |
| ITF M15 Valldoreix | 2019/05/13 11:00 | Vito Dell'Elba v Dias, Francisco | 4-6,3-6 |
| ITF M15 Las Palmas | 2019/05/06 08:30 | Dias, Francisco v Sanchez Vinas, Pol | 2-6,1-6 |