Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Cairo | 2021/11/25 10:20 | Duckhee Lee v Daniil Ostapenkov | 6-4,6-3 |
| ITF M15 Cairo | 2021/11/24 08:00 | Duckhee Lee v Luca Tomasetto | 6-3,5-7,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/11/20 08:00 | Peter Fajta v Duckhee Lee | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/11/19 08:00 | Lo, Chien Hsun v Duckhee Lee | 2-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/11/18 09:50 | Neil Oberleitner v Duckhee Lee | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/11/17 12:50 | Erik Arutiunian v Duckhee Lee | 2-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2021/11/10 12:50 | Daniel Little v Duckhee Lee | 7-6,7-6 |
| Challenger Columbus | 2021/09/19 20:15 | Duckhee Lee v Song, Evan | 3-6,6-7 |
| ITF M15 Cairo | 2021/11/25 08:00 | Gray, Jonathan v Nathan Seateun | 7-6,6-4 |
| ITF M15 Cairo | 2021/11/24 11:40 | Gray, Jonathan v El-Moslemany, Omar | 6-2,6-0 |
| ITF M15 Benicarlo | 2021/11/10 12:35 | Gray, Jonathan v Alex M Pujolras | 4-6,6-3,6-7 |
| ITF M15 Benicarlo | 2021/11/09 08:30 | Gray, Jonathan v Gian Marco Ortenzi | 3-6,6-4,10-5 |
| ITF M15 Benicarlo | 2021/11/08 10:00 | Gray, Jonathan v Jordi Garcia Mestre | 6-1,6-4 |
| ITF M15 Benicarlo | 2021/11/07 14:30 | Gray, Jonathan v Stepanian, Areg | 6-3,6-3 |
| ITF - M15 Torello | 2021/11/02 11:00 | Gray, Jonathan v Wojcik, Yann | 4-6,4-6 |
| UK Pro League | 2021/04/05 11:30 | Gray, Jonathan v Maxted, Lui | 1-6,3-6 |