Stadium: Center Court Round: 27 Ground: Hardcourt indoor
| Challenger Biel - Herrdubbel | 2021/09/21 13:20 | Moraing/Novak v Manafov/Matuszewski | 6-7,3-6 |
| Challenger Szczecin MD | 2021/09/14 16:50 | Manafov/Matuszewski v Doumbia/Reboul | 6-4,3-6,6-10 |
| Challenger Warszawa - Herrdubbel | 2021/08/29 10:50 | Verdugo/Reyes-Varela v Manafov/Matuszewski | 6-4,6-4 |
| Challenger Warszawa - Herrdubbel | 2021/08/28 15:20 | Manafov/Matuszewski v Lenz/Verbeek | 6-3,3-6,10-8 |
| Challenger Warszawa - Herrdubbel | 2021/08/28 11:30 | Manafov/Matuszewski v Romboli/Zielinski | 7-6,3-6,10-6 |
| Challenger Warszawa - Herrdubbel | 2021/08/27 15:25 | Menendez-Maceiras/Vrbensky v Manafov/Matuszewski | 4-6,6-4,2-10 |
| Challenger Biel - Herrdubbel | 2021/09/21 14:10 | Martinez/Martinez v Huesler/Stricker | 6-3,2-6,4-10 |
| Davis Cup | 2021/09/18 10:55 | Huesler/Stricker v Ivanov/Siimar | 6-4,7-6 |
| ATP Gstaad - Herrdubbel | 2021/07/25 11:20 | Huesler/Stricker v Walkow/Zielinski | 6-1,7-6 |
| ATP Gstaad - Herrdubbel | 2021/07/24 13:00 | Paire/Rinderknech v Huesler/Stricker | 4-6,6-4,12-14 |
| ATP Gstaad - Herrdubbel | 2021/07/22 11:00 | Delbonis/Duran v Huesler/Stricker | 1-6,4-6 |
| ATP Gstaad - Herrdubbel | 2021/07/21 10:30 | Arneodo/Olivetti v Huesler/Stricker | 4-6,4-6 |
| ATP Geneva - Herrdubbel | 2021/05/20 16:15 | Huesler/Stricker v Peers/Venus | 3-6,6-1,9-11 |
| ATP Geneva - Herrdubbel | 2021/05/18 15:30 | Huesler/Stricker v Monroe/Paire | 7-6,6-1 |