Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Portimao | 2021/10/24 10:00 | Katticaren, Aditya v Filipe Paredes | 2-6,2-6 |
| ITF - M25 Quinta Do Lago | 2021/10/19 10:30 | Rousseau, Hillel v Ma, William | 3-6,6-3,10-2 |
| ITF - M25 Quinta Do Lago | 2021/10/18 09:00 | Vallejo Ferrer, Adria v Ma, William | 1-6,1-6 |
| ITF - M25 Quinta Do Lago | 2021/10/17 13:30 | Pedro D L R Bueno v Ma, William | 1-6,3-6 |
| ITF M25 Skopje | 2021/09/29 08:15 | Lorenzo Bocchi v Ma, William | 6-2,6-0 |
| ITF M25 Skopje | 2021/09/28 07:30 | Aristotelis Thanos v Ma, William | 6-4,6-1 |
| ITF M25 Skopje | 2021/09/27 09:45 | Ognjen Pavlovic v Ma, William | 4-6,2-6 |
| ITF M15 Ulcinj | 2021/09/20 08:00 | Petar Jovanovic v Ma, William | 6-0,6-2 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Ma, William v Procopio, Alessandro | 2-6,2-6 |