Stadium: Court 9 Round: 26 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Velenje | 2022/07/04 09:30 | Matic Kriznik v Eric Morris | 3-6,1-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/14 10:25 | Jiri Vesely v Alex Knaff | 7-5,6-4 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 13:20 | Szymon Kielan v Alex Knaff | 3-6,0-6 |
| ITF M15 Raanana | 2023/08/04 10:25 | Amit Vales v Alex Knaff | 6-4,6-2 |
| ITF M15 Raanana | 2023/08/03 07:25 | Lior Goldenberg v Alex Knaff | 3-6,3-6 |
| ITF M15 Raanana | 2023/08/02 07:30 | Ron Ellouck v Alex Knaff | 1-6,2-6 |
| ITF M15 Raanana | 2023/08/01 07:00 | Luca Fantini v Alex Knaff | 3-6,6-7 |
| ITF M25 Esch/Alzette | 2023/07/23 13:00 | Alex Knaff v Marlon Vankan | 6-3,6-1 |
| ITF M25 Esch/Alzette | 2023/07/22 14:25 | Alex Knaff v Mikalai Haliak | 7-6,6-4 |