Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| ITF M15 Selva Gardena | 2023/10/31 10:15 | Sandro Kopp v Luigi Sorrentino | 6-2,7-6 |
| Challenger Ortisei | 2023/10/22 13:05 | Sandro Kopp v Patrick Brady | 3-6,4-6 |
| ITF M25 Pazardzhik | 2023/10/03 12:35 | Sandro Kopp v Alexander Donski | 7-5,6-2 |
| ITF M25 Pazardzhik | 2023/09/29 07:00 | Sandro Kopp v Clement Tabur | 0-6,1-6 |
| ITF M25 Pazardzhik | 2023/09/28 08:35 | Sandro Kopp v Jiri Barnat | 6-4,3-6,6-3 |
| ITF M25 Pazardzhik | 2023/09/26 07:45 | Sandro Kopp v Neil Oberleitner | 6-2,6-4 |
| Challenger Bad Waltersdorf | 2023/09/19 10:00 | Dennis Novak v Sandro Kopp | 6-3,6-3 |
| Challenger Bad Waltersdorf | 2023/09/18 08:00 | Sandro Kopp v Marvin Moeller | 4-6,7-6,5-7 |
| ITF M15 Selva Gardena | 2023/10/30 14:45 | Erwin Troebinger v Matic Kriznik | 6-4,1-6,1-6 |
| ITF M15 Store | 2023/06/21 12:15 | Alexander Klintcharov v Matic Kriznik | 2-6,6-2,6-3 |
| ITF M15 Litija | 2023/06/14 07:55 | Josip Simundza v Matic Kriznik | 7-6,6-1 |
| ITF M15 Porec | 2023/03/07 12:05 | Matic Kriznik v Daniele Capecchi | 5-7,3-6 |
| ITF M15 Sharm El Sheikh | 2023/03/01 09:25 | Matic Kriznik v Massimo Giunta | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2023/02/22 13:55 | Matic Kriznik v Yeongseok Jeong | 3-6,5-7 |
| Davis Cup | 2023/02/04 07:00 | Ergi Kirkin v Matic Kriznik | 6-2,6-2 |
| ITF M15 Litija | 2022/07/13 10:00 | Matic Kriznik v Patrik Rikl | 4-6,1-6 |