Stadium: Court 10 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/09/29 08:00 | Credit Chaiyarin v Wissam Abderrahman | 3-6,6-3,6-7 |
| ITF M15 Monastir | 2021/09/28 08:00 | Mayeul Darras v Credit Chaiyarin | 3-6,6-3,3-10 |
| ITF M15 Monastir | 2021/09/26 10:30 | Zakai Stone v Credit Chaiyarin | 6-4,2-6,7-10 |
| ITF M15 Monastir | 2021/09/20 09:00 | Mattias Southcombe v Credit Chaiyarin | 6-1,6-4 |
| ITF M15 Monastir | 2021/09/19 08:00 | Arjun Mehrotra v Credit Chaiyarin | 5-7,6-3,8-10 |
| ITF M15 Monastir | 2021/09/13 09:00 | Ryotaro Matsumura v Credit Chaiyarin | 6-4,6-1 |
| ITF M15 Monastir | 2021/09/12 10:30 | Lohithaksha Bathrinath v Credit Chaiyarin | 3-6,6-1,7-10 |
| ITF M15 Monastir | 2021/09/05 14:00 | Mohamed Amin Oueslati v Credit Chaiyarin | 1-6,6-3,10-5 |
| ITF M25 Falun | 2021/09/26 08:00 | Jonathan Stenberg v Christoffer Solberg | 6-0,6-2 |
| ITF M25 Jonkoping | 2021/09/20 07:30 | Christoffer Solberg v Elmer Moller | 6-7,1-6 |
| ITF M15 Parnu | 2021/08/03 07:00 | Christoffer Solberg v Petro Orlando Fellin | 3-6,4-6 |
| ITF M15 Vejle | 2021/07/25 11:00 | Christoffer Solberg v Valdemar Frederik Pape | 2-6,2-6 |
| ITF M15 Doboj | 2021/07/13 11:30 | Frane Nincevic v Christoffer Solberg | 6-2,7-6 |
| ITF M15 Sofia | 2021/07/05 08:00 | Christoffer Solberg v Ivan Mikhaylyuk | 1-6,3-6 |
| ITF M15 Sofia | 2021/07/04 10:30 | Christoffer Solberg v Sergis Kyratzis | 6-1,6-3 |
| ITF M15 Antalya | 2020/03/08 08:00 | Xavier Gabarro v Christoffer Solberg | 6-3,3-6,10-7 |