Stadium: Court 3 Round: 25 Ground: Clay
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/19 09:30 | Bulitski, Aliaksandr v Masato Perera | 4-6,4-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/18 12:00 | Batiste Guerra v Masato Perera | 6-4,4-6,10-12 |
| UTR Pro Hilversum | 2023/06/11 06:00 | Arthur Nagel v Masato Perera | 6-3,2-6,6-3 |
| UTR Pro Hilversum | 2023/06/10 06:00 | Masato Perera v Roland Stuurman | 6-2,5-1 |
| UTR Pro Hilversum | 2023/06/09 06:00 | Ventre, Alessandro-Damiano v Masato Perera | 4-6,3-6 |
| UTR Pro Hilversum | 2023/06/08 11:50 | Erdem Isitan v Masato Perera | 4-6,4-5 |
| UTR Pro Hilversum | 2023/06/07 06:00 | Stijn Pel v Masato Perera | 6-1,6-2 |
| UTR Pro Hilversum | 2023/06/05 09:00 | Pepijn Bastiaansen v Masato Perera | 4-6,4-6 |
| ITF M15 Duffel | 2023/06/13 10:00 | Alex Knaff v Michiel de Krom | 6-7,3-6 |
| ITF M15 Pazardzhik | 2023/05/26 07:00 | Leonardo Rossi v Alex Knaff | 6-1,6-3 |
| ITF M15 Pazardzhik | 2023/05/25 07:00 | Marco Miceli v Alex Knaff | 6-2,1-6,3-6 |
| ITF M15 Pazardzhik | 2023/05/20 09:45 | Alex Knaff v Iliyan Radulov | 4-6,2-6 |
| ITF M15 Pazardzhik | 2023/05/19 11:20 | Alex Knaff v Nicolas Buitrago | 4-6,6-3,6-2 |
| ITF M15 Pazardzhik | 2023/05/18 15:35 | Alex Knaff v Ioannis Xilas | 7-5,7-5 |
| ITF - M25 Nottingham | 2023/04/26 12:35 | Alex Knaff v George Loffhagen | 2-6,6-7 |
| ITF - M25 Sharm El Sheikh | 2023/04/21 08:30 | Kris Van Wyk v Alex Knaff | 6-3,6-1 |