Stadium: Court 2 Round: 27 Ground: Hardcourt indoor
| ITF M25 - Biel - HD | 2021/03/31 17:15 | Paul/Steinegger v Martinez/Nikles | 6-4,6-3 |
| ITF M25 Trimbach - HD | 2021/03/13 15:15 | Paul/Steinegger v Ejupovic/Erler | 6-3,7-5 |
| ITF M25 Trimbach - HD | 2021/03/12 14:35 | Brunold/Sebesta v Paul/Steinegger | 0-6,2-6 |
| ITF M25 Trimbach - HD | 2021/03/11 16:00 | Paul/Steinegger v Lanz/Schaer | 4-6,6-4,10-5 |
| ITF M25 Trimbach - HD | 2021/03/10 15:00 | Paul/Steinegger v Lane/Moeller | 7-5,6-7,11-9 |
| ITF M15 Grenoble - HD | 2021/02/12 15:10 | Paul/Steinegger v Castelnuovo/Stricker | 7-5,6-1 |
| ITF M15 Grenoble - HD | 2021/02/11 12:55 | Paul/Steinegger v Poullain/Stouff | 6-1,1-6,10-6 |
| ITF M15 Grenoble - HD | 2021/02/10 14:25 | Paul/Steinegger v Added/Breysach | 7-6,6-4 |
| ITF M25 - Biel - HD | 2021/03/30 15:15 | Riedi/Stricker v Golubev/Tiurnev | 6-4,6-2 |
| Challenger - Lugano - HD | 2021/03/23 15:35 | Begemann/Vavassori v Riedi/Stricker | 5-7,6-3,10-8 |