Stadium: Court 12 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2023/10/12 07:00 | Philip Henning v Alex Knaff | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2023/10/11 12:35 | Jacob Bradshaw v Alex Knaff | 4-6,2-6 |
| Davis Cup | 2023/09/16 11:10 | Blaz Rola v Alex Knaff | 6-4,6-2 |
| Davis Cup | 2023/09/15 10:00 | Bor Artnak v Alex Knaff | 6-3,6-7,2-6 |
| ITF M25 Maribor | 2023/09/06 07:30 | Alex Knaff v Buvaysar Gadamauri | 6-7,6-4,4-6 |
| ITF M25 Maribor | 2023/09/01 08:00 | Alex Knaff v Nicolas Zanellato | 3-6,1-6 |
| ITF M25 Maribor | 2023/08/31 11:05 | Alex Knaff v Tino Kovacic | 7-6,6-1 |
| ITF M25 Maribor | 2023/08/30 12:00 | Alex Knaff v Matei Cristian Onofrei | 6-0,6-1 |