Stadium: Center Court Round: 26 Ground: Clay
| ITF M25 Biel MD | 2021/04/02 15:05 | Erler/Neuchrist v Paul/Steinegger | 6-3,4-6,10-2 |
| ITF M25 Biel MD | 2021/04/02 12:00 | Andreev/Mochizuki v Erler/Neuchrist | 2-6,1-6 |
| ITF M25 Biel MD | 2021/04/01 14:15 | Erler/Neuchrist v Ehrat/Kym | 6-4,7-6 |
| ITF M25 Biel MD | 2021/03/30 12:50 | Erler/Neuchrist v Escoffier/Leshem | 6-1,6-2 |