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