Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF - M15 Monastir | 2021/09/12 12:00 | Hiramatsu, Shinnosuke v Raphael Calzi | 6-2,3-6,10-5 |
| ITF - M15 Monastir | 2021/09/05 11:00 | Raphael Calzi v Masamichi Imamura | 5-7,0-6 |
| ITF M15 Allershausen | 2021/08/30 09:15 | Raphael Calzi v Colacioppo, Giulio | 1-6,4-6 |
| ITF M25 Trier | 2021/08/26 09:25 | Sandro Kopp v Raphael Calzi | 6-2,6-1 |
| ITF M25 Trier | 2021/08/25 09:00 | Max Wiskandt v Raphael Calzi | 7-5,4-6,2-6 |
| ITF M25 Koksijde | 2021/08/16 09:40 | Raphael Calzi v Rojas, O. | 3-6,7-5,4-10 |
| ITF M25 Koksijde | 2021/08/15 08:00 | Minc, Charles v Raphael Calzi | 6-3,2-6,0-10 |
| ITF M15 Frederiksberg | 2021/08/01 08:00 | Ross, Gianni v Raphael Calzi | 7-5,6-4 |