Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Setubal | 2021/10/04 15:10 | Raphael Calzi v Sergio Davila Godoy | 6-3,6-0 |
| ITF M15 Forbach | 2021/09/27 11:15 | Yann Marti v Raphael Calzi | 6-4,6-4 |
| ITF M15 Forbach | 2021/09/26 13:20 | Paul Barbier Gazeu v Raphael Calzi | 3-6,3-6 |
| ITF M15 Monastir | 2021/09/12 12:00 | Shinnosuke Hiramatsu 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 Giulio Colacioppo | 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 Setubal | 2021/10/04 14:15 | Vlad Cristian Breazu v Gian Luca Tanner | 6-2,1-6,6-10 |
| ITF M25 Sierre | 2021/08/31 16:30 | Luca Castelnuovo v Gian Luca Tanner | 7-5,6-3 |
| ITF M25 Caslano | 2021/08/25 10:40 | Nicolas Parizzia v Gian Luca Tanner | 2-6,6-2,6-4 |
| ITF M25 Muttenz | 2021/08/18 15:00 | Rinky Hijikata v Gian Luca Tanner | 6-3,6-0 |
| ITF M25 Muttenz | 2021/08/17 12:00 | Gian Luca Tanner v Gabriele Moghini | 6-7,2-6 |
| ITF M25 Muttenz | 2021/08/16 14:20 | Gian Luca Tanner v Fynn Skender | 6-2,6-2 |
| ITF M25 Klosters | 2021/06/22 09:20 | Gian Luca Tanner v Lenny Hampel | 5-7,4-6 |
| ITF M25 Klosters | 2021/06/21 06:50 | Daniel Cukierman v Gian Luca Tanner | 6-3,6-4 |