Stadium: RADO Ct. 3 Round: 25 Ground: Clay
| Challenger Prague | 2023/08/25 09:00 | Rudolf Molleker v Valentin Vacherot | 6-4,7-6 |
| Challenger Prague | 2023/08/24 08:00 | Valentin Vacherot v Andrew Paulson | 7-6,6-2 |
| Challenger Prague | 2023/08/23 08:00 | Valentin Vacherot v Facundo Mena | 6-2,6-4 |
| Challenger Prague | 2023/08/22 08:00 | Valentin Vacherot v Kirill Kivattsev | 6-4,6-4 |
| ITF M25 Ystad | 2023/08/20 09:30 | Valentin Vacherot v Marvin Moeller | 6-2,3-6,5-7 |
| ITF M25 Ystad | 2023/08/19 09:50 | Valentin Vacherot v Eero Vasa | 6-3,7-5 |
| ITF M25 Ystad | 2023/08/18 11:50 | Valentin Vacherot v Jonathan Mridha | 6-2,6-4 |
| ITF M25 Ystad | 2023/08/17 10:35 | Valentin Vacherot v Markus Bolin | 6-1,6-3 |
| ITF M15 Caslano | 2023/08/24 07:00 | Andrea Militi Ribaldi v Yannik Steinegger | 4-6,6-3,6-3 |
| ITF M15 Caslano | 2023/08/23 07:00 | Yannik Steinegger v Leonardo Rossi | 7-6,6-4 |
| ITF M25 Muttenz | 2023/08/16 08:00 | Adam Moundir v Yannik Steinegger | 6-2,6-3 |
| ITF M25 Roehampton | 2023/07/18 11:20 | Yannik Steinegger v Paul Jubb | 0-6,2-6 |
| ITF M25 Nottingham | 2023/07/12 14:45 | Billy Harris v Yannik Steinegger | 6-4,6-1 |
| ITF M25 Nottingham | 2023/07/12 09:45 | Yannik Steinegger v Daniel Little | 6-4,6-4 |
| ITF M25 Klosters | 2023/07/06 09:55 | Yannik Steinegger v Mili Poljicak | 4-6,6-4,4-6 |
| ITF M25 Klosters | 2023/07/05 11:25 | Manfredi Graziani v Yannik Steinegger | 6-7,6-7 |