Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF M15 - Doha | 2021/10/20 15:55 | Hanwen Li v Nico Hornitschek | 6-3,6-2 |
| ITF M15 - Doha | 2021/10/13 16:50 | Ryan James Storrie v Hanwen Li | 6-4,6-4 |
| ITF M15 - Doha | 2021/10/05 12:00 | Hanwen Li v Aleksandre Bakshi | 4-6,2-6 |
| ITF M15 - Sofia | 2021/07/10 07:00 | Dragos Nicolae Madaras v Hanwen Li | 6-4,6-4 |
| ITF M15 - Sofia | 2021/07/06 07:00 | Hanwen Li v Felix Gill | 6-4,2-6,6-3 |
| ITF M15 - Antalya | 2021/07/01 06:30 | Marsel Ilhan v Hanwen Li | 6-1,6-2 |
| ITF M15 - Antalya | 2021/06/30 06:30 | Hanwen Li v Stefanos Sakellaridis | 6-1,6-2 |
| ITF M15 - Skopje | 2021/06/10 08:30 | Hanwen Li v Ronan Joncour | 3-6,2-6 |
| ITF M15 - Doha | 2021/10/20 14:15 | Niklas Schell v Alec Deckers | 6-4,6-2 |
| ITF M15 - Doha | 2021/10/13 16:35 | Valentin Vacherot v Niklas Schell | 7-6,6-3 |
| ITF M15 - Forbach | 2021/09/29 08:00 | Maxence Beauge v Niklas Schell | 7-5,7-6 |
| ITF M25 - Plaisir | 2021/09/16 09:50 | Leny Mitjana v Niklas Schell | 6-2,7-6 |
| ITF M25 - Plaisir | 2021/09/15 07:55 | Maxime Mora v Niklas Schell | 2-6,4-6 |
| ITF M25 - Plaisir | 2021/09/13 13:25 | Niklas Schell v Thomas Deschamps | 6-4,7-6 |
| ITF M25 - Plaisir | 2021/09/13 10:15 | Niklas Schell v Warren Sinius | 2-6,6-4,10-8 |
| ITF M25 - Plaisir | 2021/09/12 12:30 | Niklas Schell v Max Cunat | 6-4,6-4 |