Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/11/28 10:00 | Sami Ben Abdennibi v Alessandro Bellifemine | 6-3,7-6 |
| ITF M15 Cairo | 2021/09/06 07:30 | Bruno P Navarro v Alessandro Bellifemine | 6-4,6-0 |
| ITF M15 Cairo | 2021/08/31 08:00 | Jordi Garcia Mestre v Alessandro Bellifemine | 1-6,6-3,10-4 |
| ITF M15 Cairo | 2021/08/30 12:30 | Pavel Kravchenko v Alessandro Bellifemine | 4-6,0-6 |
| ITF M25 Bacau | 2021/08/17 07:00 | Vasile Antonescu v Alessandro Bellifemine | 7-6,6-3 |
| ITF M25 Velenje | 2021/07/07 12:25 | Pavel Nejedly v Alessandro Bellifemine | 6-3,7-5 |
| ITF M25 Velenje | 2021/07/06 08:00 | Alessandro Bellifemine v Taiyo Yamanaka | 6-3,6-2 |
| ITF M25 Velenje | 2021/07/05 12:40 | Tom Pisane v Alessandro Bellifemine | 4-6,6-7 |
| ITF M15 Monastir | 2021/11/28 09:30 | Antoine Berger v Natthayut Nithithananont | 7-5,6-1 |
| ITF M15 Monastir | 2021/11/21 11:00 | Shohei Chikami v Natthayut Nithithananont | 6-2,6-0 |
| ITF M15 Monastir | 2021/11/14 11:00 | Nikita Volonski v Natthayut Nithithananont | 6-1,6-1 |
| ITF M15 Monastir | 2021/11/08 09:00 | Lorenzo Vatteroni v Natthayut Nithithananont | 7-5,6-4 |
| ITF M15 Monastir | 2021/10/31 10:00 | Natthayut Nithithananont v Pietro Pampanin | 1-6,4-6 |
| ITF M15 Monastir | 2021/10/25 09:00 | Natthayut Nithithananont v Zakai Stone | 0-6,3-6 |
| ITF M25 Nonthaburi | 2020/02/02 02:30 | Natthayut Nithithananont v Natthasith Kunsuwan | 5-7,1-6 |
| ITF M25 Nonthaburi | 2020/01/26 05:00 | Natthayut Nithithananont v Jirat Navasirisomboon | 6-4,4-6,7-10 |