Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/06/02 08:30 | Siddhant Banthia v Thomas Fancutt | 7-6,6-4 |
| ITF M15 Monastir | 2021/05/31 13:45 | Siddhant Banthia v Lucio Carnevalle | 6-3,6-3 |
| ITF M15 Monastir | 2021/05/31 09:00 | Siddhant Banthia v Ezequiel Simonit | 5-7,6-4,10-8 |
| ITF M15 Monastir | 2021/05/24 13:30 | Omni Kumar v Siddhant Banthia | 7-5,6-4 |
| ITF M15 Monastir | 2021/05/24 09:00 | Michael Bassem Sobhy v Siddhant Banthia | 4-6,2-6 |
| ITF M15 Monastir | 2021/05/23 11:30 | Skander Ben Abdallah v Siddhant Banthia | 0-6,1-6 |
| ITF M15 Sharm El Sheikh | 2020/11/19 09:15 | Siddhant Banthia v Erik Crepaldi | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/11/18 09:40 | Bogdan Bobrov v Siddhant Banthia | 6-4,6-7,3-6 |
| Challenger Oeiras | 2021/04/06 09:00 | Hugo Grenier v Duckhee Lee | 6-0,6-3 |
| Challenger Oeiras | 2021/03/30 12:35 | Duckhee Lee v Tiago Cacao | 3-6,4-6 |
| ITF M15 Antalya | 2021/03/26 07:00 | Duckhee Lee v Dragos Nicolae Madaras | 5-7,3-6 |
| ITF M15 Antalya | 2021/03/24 08:00 | Duckhee Lee v Vladislav Sveridenko | 6-3,6-0 |
| ITF M15 Antalya | 2021/03/18 06:55 | Duckhee Lee v Mate Valkusz | 1-6,1-6 |
| Challenger St. Petersburg | 2021/03/08 13:05 | Duckhee Lee v Alexey Vatutin | 6-0,1-6,1-6 |
| Challenger St. Petersburg | 2021/03/02 08:55 | Roberto Quiroz v Duckhee Lee | 6-2,6-2 |
| Davis Cup | 2020/03/06 11:00 | Fabio Fognini v Duckhee Lee | 6-0,6-3 |