Round: 26 Ground: Hardcourt indoor
| ITF M25 Sierre MD | 2021/09/03 16:55 | Paul J / Steinegger Y v Bertola R / Castelnuovo L | 6-3,6-2 |
| ITF M25 Sierre MD | 2021/09/02 11:55 | Paul J / Steinegger Y v Langmo/Potenza | 6-4,6-4 |
| ITF M25 Sierre MD | 2021/09/01 16:20 | Paul J / Steinegger Y v Arnaldi M / Maggioli E | 6-4,6-2 |
| ITF M25 Klosters MD | 2021/06/22 13:40 | Riedi/Stricker v Paul J / Steinegger Y | 7-5,6-2 |
| ITF M15 St Petersburg MD | 2021/04/16 10:10 | Paul J / Steinegger Y v Cozbinov/Freund | 6-4,3-6,9-11 |
| ITF M15 St Petersburg MD | 2021/04/15 12:05 | Borisiouk M / Liaonenka A v Paul J / Steinegger Y | 3-6,6-4,7-10 |
| ITF M15 St Petersburg MD | 2021/04/09 12:20 | Paul J / Steinegger Y v Cozbinov/Freund | 6-7,2-6 |
| ITF M15 St Petersburg MD | 2021/04/08 11:00 | Paul J / Steinegger Y v Binda/Minin | 6-0,6-2 |