Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Arlon | 2023/06/29 09:50 | Raphael Calzi v Alex Knaff | 2-6,1-6 |
| ITF Belgium F8 Qual | 2017/08/06 08:00 | Raphael Calzi v Alex Knaff | 2-6,0-6 |
| ITF Germany F6 | 2016/07/03 08:00 | Raphael Calzi v Alex Knaff | 6-4,6-3 |
| ITF M15 Hong Kong | 2024/09/04 07:10 | Changli Zhang v Raphael Calzi | 4-6,1-6 |
| ITF M15 Hong Kong | 2024/09/03 02:00 | Yuta Kikuchi v Raphael Calzi | 6-3,4-6,8-10 |
| ITF M25 Hong Kong | 2024/08/29 02:00 | Goncalo Oliveira v Raphael Calzi | 6-2,7-5 |
| ITF M25 Hong Kong | 2024/08/28 02:00 | Raphael Calzi v Tsz Fu Wong | 6-1,2-6,6-4 |
| ITF M25 Hong Kong | 2024/08/27 04:20 | Yaojie Zeng v Raphael Calzi | 5-7,6-7 |
| ITF M25 Hong Kong | 2024/08/26 07:30 | Chun-Ming Yam v Raphael Calzi | 0-6,5-7 |
| ITF M15 Dublin | 2024/08/06 11:00 | Raphael Calzi v Marcus Walters | 3-6,7-6,2-6 |
| ITF M15 Dublin | 2024/08/05 10:40 | Gabriele Volpi v Raphael Calzi | 6-7,2-6 |
| ITF M15 Hong Kong | 2024/09/04 05:20 | Linghao Zhang v Alex Knaff | 4-6,3-6 |
| ITF M25 Hong Kong | 2024/08/29 02:00 | Alex Knaff v Chris Rodesch | 2-6,4-6 |
| ITF M25 Hong Kong | 2024/08/28 01:55 | Alex Knaff v Sungbeen Sim | 7-6,4-6,6-2 |
| ITF M25 Idanha-A-Nova | 2024/08/22 11:40 | Alex Knaff v Daniil Glinka | 3-6,7-6,5-7 |
| ITF M25 Idanha-A-Nova | 2024/08/21 10:10 | Aydan Gomez Osorio v Alex Knaff | 0-6,2-6 |
| ITF M25 Idanha-A-Nova | 2024/08/14 08:00 | Alex Knaff v Tiago Pereira | 4-6,2-6 |
| Challenger Luedenscheid | 2024/07/29 09:00 | Olaf Pieczkowski v Alex Knaff | 6-1,6-3 |
| Challenger Luedenscheid | 2024/07/28 09:00 | Max Stenzer v Alex Knaff | 3-6,2-6 |