Stadium: Court 1 Round: 28 Ground: Clay
| ITF M25 Telfs | 2023/07/21 12:00 | Lukas Rosol v Sandro Kopp | 4-6,2-6 |
| ITF M25 Telfs | 2023/07/20 10:35 | Milos Karol v Sandro Kopp | 3-6,3-6 |
| ITF M25 Telfs | 2023/07/19 11:00 | Patrick Zahraj v Sandro Kopp | 4-6,1-6 |
| Challenger Salzburg | 2023/07/11 12:25 | Sandro Kopp v Filip Misolic | 5-7,2-6 |
| Challenger Salzburg | 2023/07/10 10:30 | Lorenzo Giustino v Sandro Kopp | 0-6,2-6 |
| Challenger Salzburg | 2023/07/09 12:10 | Jonas Trinker v Sandro Kopp | 3-6,3-6 |
| ITF M25 Arlon | 2023/07/02 13:30 | Sandro Kopp v Tibo Colson | 2-6,2-6 |
| ITF M25 Arlon | 2023/07/02 08:00 | Valentin Royer v Sandro Kopp | 6-2,4-6,4-6 |
| ITF M25 Telfs | 2023/07/21 13:00 | Nicolas Parizzia v Gerard Campana Lee | 3-6,5-7 |
| ITF M25 Telfs | 2023/07/20 09:15 | Michael Gloeckler v Gerard Campana Lee | 3-6,3-6 |
| ITF M25 Telfs | 2023/07/19 12:20 | Jan Jermar v Gerard Campana Lee | 6-4,2-6,2-6 |
| ITF M25 Anseong | 2023/06/25 02:50 | Gerard Campana Lee v Sanhui Shin | 7-5,6-4 |
| ITF M25 Anseong | 2023/06/24 02:55 | Yunseong Chung v Gerard Campana Lee | 2-6,6-2,3-6 |
| ITF M25 Anseong | 2023/06/23 02:00 | Taisei Ichikawa v Gerard Campana Lee | 6-7,0-6 |
| ITF M25 Anseong | 2023/06/21 03:50 | Gerard Campana Lee v Kokoro Isomura | 6-4,6-3 |
| Challenger Skopje | 2023/05/25 09:45 | Gerard Campana Lee v Evgeny Donskoy | 4-6,2-6 |