Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2021/10/07 10:00 | Gabriel Decamps v Neil Oberleitner | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/10/06 13:40 | Neil Oberleitner v Saba Purtseladze | 7-5,7-6 |
| ITF - M25 Pretoria | 2021/09/28 07:00 | Neil Oberleitner v Devin Badenhorst | 6-4,4-6,7-10 |
| ITF - M25 Pretoria | 2021/09/27 08:30 | Neil Oberleitner v Benjamin Scott | 6-2,6-0 |
| ITF - M25 Johannesburg | 2021/09/22 08:30 | Daniel Cukierman v Neil Oberleitner | 6-2,6-3 |
| ITF - M25 Johannesburg | 2021/09/21 07:00 | Neil Oberleitner v Joshua Howard-Tripp | 6-3,6-1 |
| ITF - M25 Johannesburg | 2021/09/20 08:15 | Neil Oberleitner v Alexey Dubinin | 6-0,6-1 |
| ITF - M25 Johannesburg - Calificari | 2021/09/19 07:00 | Neil Oberleitner v Ethan Terblanche | 6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/10/06 14:00 | Chien Hsun Lo v Gabriel Decamps | 2-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/28 07:00 | Chien Hsun Lo v Edoardo Eremin | 4-6,3-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/21 09:30 | Chien Hsun Lo v Jing L Weng | 6-1,7-5 |
| ITF - M15 Sharm El Sheikh | 2021/02/15 11:30 | Keisuke Saitoh v Chien Hsun Lo | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/02/09 08:40 | Chien Hsun Lo v Erik Crepaldi | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/08 09:30 | Jumpei Yamasaki v Chien Hsun Lo | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/07 13:00 | Chien Hsun Lo v Jiri Barnat | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/03/11 10:00 | Jaroslav Pospisil v Chien Hsun Lo | 2-6,4-6 |