Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2020/10/12 09:30 | Lilian Breut v David Quayle | 6-0,6-4 |
| ITF M15 Monastir | 2020/10/11 08:00 | Uladzislau Zhuk v David Quayle | 6-2,5-7,7-10 |
| ITF M15 Monastir | 2020/10/04 09:00 | David Quayle v Hugo Bron | 1-6,7-6,8-10 |
| ITF M15 Monastir | 2020/09/27 10:00 | Anthony Genov v David Quayle | 6-3,6-1 |
| ITF M25 Plaisir | 2020/09/14 09:25 | Clement Tabur v David Quayle | 6-4,7-5 |
| ITF M25 Plaisir | 2020/09/13 09:25 | David Quayle v Espen Lagarde | 6-2,6-3 |
| ITF M25 Sunderland | 2020/02/23 11:40 | Julius Tverijonas v David Quayle | 6-1,6-2 |
| ITF M25 Glasgow | 2020/02/17 15:40 | Wojciech Marek v David Quayle | 6-3,6-2 |
| ITF M15 Quinta Do Lago | 2020/11/02 10:00 | Guilherme Sousa Severin v Terence Das | 1-6,0-6 |
| ITF M25 Vale Do Lobo | 2020/10/25 14:00 | Joao Lucas Reis da Silva v Guilherme Sousa Severin | 6-4,5-7,10-8 |
| ITF M15 Loule | 2020/03/08 10:00 | Guilherme Sousa Severin v Marvin Moeller | 0-6,0-6 |
| ITF M15 Faro | 2020/03/01 11:30 | Andre Rodeia v Guilherme Sousa Severin | 6-3,6-0 |
| ITF M15 Vale Do Lobo | 2020/02/24 10:30 | Miguel Damas v Guilherme Sousa Severin | 7-5,6-2 |
| ITF Portugal F3 Qual | 2017/03/11 13:00 | Jose Von Hafe Perez v Guilherme Sousa Severin | 6-2,6-0 |