Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Idanha-a-Nova | 2019/07/10 15:05 | William Griffith v Afonso Salgado | 6-2,6-2 |
| ITF M15 Idanha-a-Nova | 2019/07/03 13:50 | Juan Carlos Aguilar v William Griffith | 6-4,6-2 |
| ITF M25 Hongkong | 2019/06/05 03:25 | Aaron Addison v William Griffith | 6-2,6-3 |
| ITF M25 Nonthaburi | 2019/05/29 04:55 | William Griffith v Anton Chekhov | 6-2,3-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/21 06:45 | Rio Noguchi v William Griffith | 7-5,6-2 |
| ITF M15 Cancún | 2019/04/23 14:00 | William Griffith v Yshai Oliel | 6-7,4-6 |
| ITF M25 Sunderland | 2019/04/11 13:25 | Igor Sijsling v William Griffith | 6-4,6-2 |
| ITF M25 Sunderland | 2019/04/10 09:00 | William Griffith v Scott Duncan | 7-5,7-6 |
| ITF M15 Idanha-a-Nova | 2019/07/10 13:25 | Francisco Dias v Andrej Glvac | 6-3,6-4 |
| ITF M15 Idanha-a-Nova | 2019/07/09 09:00 | Francisco Dias v Pedro Araujo | 7-6,7-6 |
| ITF M15 Idanha-a-Nova | 2019/07/08 09:00 | Francisco Dias v Henrique W Osorio | 6-4,6-2 |
| ITF M15 Idanha-a-Nova | 2019/07/02 09:00 | Francisco Cabral v Francisco Dias | 6-3,6-3 |
| ITF M15 Idanha-a-Nova | 2019/07/01 09:00 | Imrane Bentekhici v Francisco Dias | 2-6,6-7 |
| ITF M15 Valldoreix | 2019/05/14 08:00 | Michiel de Krom v Francisco Dias | 6-0,6-2 |
| ITF M15 Valldoreix | 2019/05/13 11:00 | Vito Dell'Elba v Francisco Dias | 4-6,3-6 |
| ITF M15 Las Palmas | 2019/05/06 08:30 | Francisco Dias v Pol Sanchez Vinas | 2-6,1-6 |