| UTR Pro Tennis Series Mulheim | 2021/10/15 07:00 | Tom Gentzsch v Hansen, Christian | 4-6,1-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/14 07:00 | Verstegen, Quin v Hansen, Christian | 3-6,6-3,3-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 11:30 | Filip Duda v Hansen, Christian | 6-2,2-5 |
| UTR Pro Tennis Series Mulheim | 2021/10/11 08:30 | Alen Moritz Hodzic v Hansen, Christian | 6-7,7-6,3-5 |
| ITF M25 Meerbusch | 2021/04/13 11:00 | Hansen, Christian v Paul Woerner | 2-6,3-6 |
| ITF M25 Meerbusch | 2021/04/12 11:30 | Hansen, Christian v Pierre, Hugo | 6-4,6-7,10-6 |
| ITF M25 Meerbusch | 2021/04/12 07:30 | Obert, Adrian v Hansen, Christian | 6-4,2-6,6-10 |
| ITF - M15 Monastir | 2021/03/01 13:00 | Stefano Reitano v Hansen, Christian | 7-6,6-2 |
| UTR Pro Tennis Series Mulheim | 2021/10/15 10:00 | Sidane Pontjodikromo v Benjamin Hassan | 6-3,6-3 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 07:00 | Sidane Pontjodikromo v Finn Bischof | 7-6,6-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/12 10:00 | Sidane Pontjodikromo v Rodriguez, J. A. | 6-1,5-4 |
| UTR Pro Tennis Series Mulheim | 2021/10/11 11:30 | Melchior Delloye v Sidane Pontjodikromo | 4-6,0-6 |
| ITF M15 Oldenzaal | 2021/08/17 07:30 | Sidane Pontjodikromo v Giles Hussey | 3-6,4-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Sidane Pontjodikromo v Lorenzo Joaquin Rodriguez | 3-6,6-4,10-6 |
| ITF M25 Marburg | 2021/07/08 08:50 | Lopez San Martin, Alvaro v Sidane Pontjodikromo | 2-6,6-3,6-3 |
| ITF M25 Marburg | 2021/07/07 08:45 | Yannik Steinegger v Sidane Pontjodikromo | 0-6,6-7 |