Stadium: Center Court Giorgi Round: 14 Ground: Clay
| ATP Gstaad | 2021/07/17 14:30 | Enzo Couacaud v Pedro Sakamoto | 6-1,6-3 |
| Challenger Todi | 2021/07/12 14:40 | Flavio Cobolli v Pedro Sakamoto | 3-6,6-4,6-3 |
| ITF M25 Casinalbo | 2021/07/06 14:20 | Pedro Sakamoto v Matteo Arnaldi | 3-6,2-6 |
| Challenger Salinas 2 | 2021/04/27 18:40 | Shuichi Sekiguchi v Pedro Sakamoto | 2-6,4-6 |
| Challenger Tallahassee | 2021/04/21 20:00 | Pedro Sakamoto v Mikael Torpegaard | 0-6,6-3,1-6 |
| Challenger Tallahassee | 2021/04/19 17:00 | Prajnesh Gunneswaran v Pedro Sakamoto | 2-6,6-2,4-6 |
| Challenger Santiago | 2021/03/16 15:15 | Nicolas Alvarez v Pedro Sakamoto | 3-6,6-4,6-3 |
| ATP Santiago | 2021/03/07 14:00 | Alejandro Tabilo v Pedro Sakamoto | 7-6,6-4 |
| Challenger Todi | 2021/07/15 13:00 | Francesco Forti v Mario Vilella Martinez | 3-6,1-6 |
| Challenger Todi | 2021/07/13 16:45 | Francesco Forti v Franco Agamenone | 6-2,6-7,6-3 |
| Challenger Perugia | 2021/07/07 16:30 | Salvatore Caruso v Francesco Forti | 6-4,6-4 |
| Challenger Perugia | 2021/07/05 16:55 | Andrea Collarini v Francesco Forti | 6-4,5-7,1-6 |
| ITF M25 Klosters | 2021/06/27 08:00 | Nicolas Moreno De Alboran v Francesco Forti | 6-4,6-3 |
| ITF M25 Klosters | 2021/06/26 10:05 | Jakub Paul v Francesco Forti | 2-6,1-6 |
| ITF M25 Klosters | 2021/06/25 12:00 | Francesco Forti v Mohamed Aziz Dougaz | 7-6,2-6,6-3 |
| ITF M25 Klosters | 2021/06/24 10:15 | Francesco Forti v Mirko Martinez | 6-3,6-4 |