Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| Challenger Lugano | 2021/03/21 11:50 | Tim Van Rijthoven v Alexander Erler | 7-6,6-0 |
| ITF M25 Trimbach | 2021/03/12 09:55 | Elmar Ejupovic v Alexander Erler | 7-6,6-7,6-3 |
| ITF M25 Trimbach | 2021/03/11 10:00 | Quentin Folliot v Alexander Erler | 4-6,3-6 |
| ITF M25 Trimbach | 2021/03/09 14:40 | Yannik Steinegger v Alexander Erler | 4-6,4-6 |
| ITF M15 Bratislava | 2021/03/03 09:00 | Jurgen Briand v Alexander Erler | 6-7,7-6,7-5 |
| ITF M15 Monastir | 2021/02/26 11:15 | Alexander Erler v Lilian Marmousez | 5-7,2-6 |
| ITF M15 Monastir | 2021/02/25 07:55 | Alexander Erler v Colin Sinclair | 7-6,5-7,6-1 |
| ITF M15 Monastir | 2021/02/23 11:10 | Alexander Erler v Ryota Tanuma | 6-4,6-4 |
| ITF M25 Trimbach | 2021/03/10 10:15 | Mischa Lanz v Dominic Stephan Stricker | 2-6,4-6 |
| ITF M25 Trimbach | 2021/03/09 12:45 | Mischa Lanz v Nicolas Affolter | 6-4,6-3 |
| ITF M25 Trimbach | 2021/03/08 16:25 | Mischa Lanz v Nico Hornitschek | 6-4,6-3 |
| Swiss Tennis Masters | 2020/07/05 15:00 | Riccardo Maiga v Mischa Lanz | 7-6,6-4 |
| Swiss Tennis Masters | 2020/07/03 10:30 | Henry V-D Schulenburg v Mischa Lanz | 6-3,7-5 |
| Swiss Tennis Masters | 2020/07/02 10:30 | Mischa Lanz v Gian Luca Tanner | 7-6,6-3 |
| Swiss Tennis Masters | 2020/07/01 15:00 | Remy Bertola v Mischa Lanz | 6-3,6-1 |
| ITF M15 Grenoble | 2020/02/09 12:40 | Sandro Kopp v Mischa Lanz | 6-2,6-4 |