Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M25 Trimbach | 2021/03/10 12:00 | Yann Marti v Luca Staeheli | 6-2,6-3 |
| ITF M25 Klosters | 2020/09/17 10:20 | Luca Staeheli v Holger Rune | 2-6,6-4,5-7 |
| ITF M25 Klosters | 2020/09/16 13:40 | Bart Stevens v Luca Staeheli | 2-6,1-6 |
| ITF M25 Klosters | 2020/09/15 06:55 | Luca Staeheli v Patrick Zahraj | 2-6,6-3,10-8 |
| ITF M25 Klosters | 2020/09/14 08:35 | Luca Staeheli v Tobias Brutscher | 6-2,6-0 |
| ITF M15 Caslano | 2020/08/31 07:55 | Luca Staeheli v Matias Franco Descotte | 4-6,6-4,8-10 |
| Swiss Tennis Masters | 2020/07/06 12:30 | Antoine Bellier v Luca Staeheli | 7-5,6-3 |
| Swiss Tennis Masters | 2020/07/04 08:30 | Luca Staeheli v Louroi Martinez | 4-6 |
| ITF M15 Poitiers | 2021/03/16 09:30 | Jaimee Floyd Angele v Robert Strombachs | 6-4,6-4 |
| Challenger Biella | 2021/03/07 11:30 | Matthias Bachinger v Robert Strombachs | 6-2,7-5 |
| ITF M15 Sharm El Sheikh | 2021/02/27 07:30 | Robert Strombachs v Martins Podzus | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/02/26 08:40 | Flavio Cobolli v Robert Strombachs | 1-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/02/25 09:35 | Robert Strombachs v Francesco Vilardo | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2021/02/24 10:35 | Fares Zakaria v Robert Strombachs | 1-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/02/20 07:25 | Robert Strombachs v Pawel Juszczak | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/19 07:30 | Erik Crepaldi v Robert Strombachs | 6-4,5-7,3-6 |