Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/20 11:15 | Filip Cristian Jianu v Michael Zhu | 6-4,6-3 |
| ITF M15 Heraklion | 2021/11/19 11:00 | Michael Zhu v Ryan James Storrie | 6-2,6-2 |
| ITF M15 Heraklion | 2021/11/18 12:15 | Alastair Gray v Michael Zhu | 6-4,6-7,3-6 |
| ITF M15 Heraklion | 2021/11/17 10:50 | Michael Zhu v Petros Tsitsipas | 5-7,7-6,6-2 |
| ITF M15 Heraklion | 2021/11/16 07:00 | Michael Zhu v Roi Ginat | 6-2,6-3 |
| ITF M15 Heraklion | 2021/11/15 08:00 | Michael Zhu v Gian Luca Tanner | 3-6,6-2,10-8 |
| ITF M25 Portimao | 2021/10/28 13:35 | Michael Zhu v Petros Chrysochos | 2-6,0-6 |
| ITF M25 Portimao | 2021/10/27 12:30 | Michael Zhu v Alan F R Fierros | 6-4,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/14 08:00 | Thomas Laurent v Diego F Flores | 6-1,1-0 |
| UTR Pro Tennis Series Barcelona | 2021/11/13 11:30 | Diego F Flores v Andrey Chepelev | 6-1,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/11/12 17:30 | Diego F Flores v Vlad Cristian Breazu | 6-3,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 18:30 | Diego F Flores v Sergio Redondo | 6-2,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 15:00 | Xavier Gabarro v Diego F Flores | 4-6,3-6 |
| ITF M15 Torello | 2021/11/02 11:00 | Diego F Flores v Marco Brugnerotto | 7-5,5-7,4-6 |
| Challenger Santiago | 2021/10/14 20:55 | Diego F Flores v Tomas Barrios Vera | 0-6,1-6 |
| Challenger Santiago | 2021/10/12 14:00 | Rafael Matos v Diego F Flores | 2-6,6-4,4-6 |