Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Portimao | 2021/10/26 11:00 | Michael Zhu v Gomes, Miguel | 6-4,6-2 |
| ITF M25 Portimao | 2021/10/25 10:25 | Michael Zhu v Afonso Portugal | 6-2,6-1 |
| ITF - M25 Quinta Do Lago | 2021/10/18 12:00 | Michael Zhu v Rousseau, Hillel | 4-6,6-3,3-10 |
| ITF - M25 Quinta Do Lago | 2021/10/17 15:00 | Michael Zhu v Tim Loosen | 6-3,6-1 |
| ITF M15 Cancun | 2021/09/30 19:35 | Michael Zhu v Boyer, Dusty H | 6-1,5-7,4-6 |
| ITF M15 Cancun | 2021/09/28 17:00 | Michael Zhu v Siddhant Banthia | 6-4,6-3 |
| ITF M15 Cancun | 2021/09/23 19:00 | Michael Zhu v Miles Jones | 6-2,2-6,3-6 |
| ITF M15 Cancun | 2021/09/22 19:10 | Michael Zhu v Boyer, Toby D | 7-5,6-4 |
| ITF M25 Portimao | 2021/10/26 09:00 | Diogo Morais v Alan F R Fierros | 4-6,2-6 |
| ITF M25 Portimao | 2021/10/25 13:30 | Max Cunat v Alan F R Fierros | 5-7,3-6 |
| ITF - M25 Quinta Do Lago | 2021/10/20 10:30 | Alan F R Fierros v Anton Matusevich | 0-6,4-6 |
| ITF - M25 Quinta Do Lago | 2021/10/18 13:55 | Alan F R Fierros v Noah Thurner | 6-2,6-0 |
| ITF - M25 Loulé | 2021/10/12 09:30 | Adria Soriano Barrera v Alan F R Fierros | 6-4,6-4 |
| ITF - M25 Loulé | 2021/10/11 12:00 | Afonso Portugal v Alan F R Fierros | 2-6,6-7 |
| ITF M25 Pardubice | 2021/09/20 10:00 | Tomas Lanik v Alan F R Fierros | 2-6,6-4,10-6 |
| ITF M25 Pardubice | 2021/09/19 11:00 | Michalis Sakellaridis v Alan F R Fierros | 6-7,6-4,3-10 |