Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M25 - Quinta Do Lago | 2021/10/18 12:00 | Michael Zhu v Hillel Rousseau | 4-6,6-3,3-10 |
| ITF M25 - Quinta Do Lago | 2021/10/17 13:30 | Hillel Rousseau v Alexander Wolfschmidt | 6-3,6-1 |
| ITF M25 - Loule | 2021/10/12 09:30 | Elliot Benchetrit v Hillel Rousseau | 6-0,6-1 |
| ITF M25 - Loule | 2021/10/11 12:00 | Valentino De Pellegrin v Hillel Rousseau | 2-6,2-6 |
| ITF M15 - Cancun | 2021/09/26 17:00 | Hillel Rousseau v Austin Ansari | 4-6,2-6 |
| ITF M15 - Castelo Branco | 2021/07/27 08:30 | Hillel Rousseau v Adan Freire Da Silva | 2-6,6-7 |
| ITF M15 - Castelo Branco | 2021/07/26 08:30 | Hillel Rousseau v Valentin De Carvalho | 6-4,6-4 |
| ITF M15 - Castelo Branco | 2021/07/25 08:00 | Hillel Rousseau v Michel-Alexandre Fortin | 6-0,6-0 |
| 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 |
| ITF M15 - Allershausen | 2021/09/01 14:05 | Mark Whitehouse v William Ma | 6-4,3-6,6-2 |