Stadium: Quadra Central Round: 25 Ground: Clay
| Turkey F8, Singles Qualifying | 2017/02/27 07:00 | Ribeiro Marcondes, Igor v Pedro Sakamoto | 3-6,6-3,3-6 |
| Challenger Guayaquil | 2020/11/16 15:00 | Francisco Cerundolo v Pedro Sakamoto | 6-3,6-3 |
| Lisbon, Portugal | 2020/10/10 09:00 | Pedro Sakamoto v Tristan Lamasine | 4-6,7-5,4-6 |
| Challenger - Split | 2020/09/27 08:00 | Krstin, Pedja v Pedro Sakamoto | 6-7,6-4,6-0 |
| Challenger - Split | 2020/09/26 12:00 | Damir Dzumhur v Pedro Sakamoto | 1-6,4-6 |
| Forli 6, Italy | 2020/09/23 08:00 | Pedro Sakamoto v Alexander Ritschard | 7-5,3-6,1-6 |
| Forli 6, Italy | 2020/09/21 12:30 | Andrea Vavassori v Pedro Sakamoto | 6-4,6-7,3-6 |
| ITF M25 Plaisir | 2020/09/17 13:15 | Mertens, Yannick v Pedro Sakamoto | 6-1,6-3 |
| ITF M25 Plaisir | 2020/09/16 13:45 | Rodriguez, Cristian v Pedro Sakamoto | 2-6,6-7 |
| ITF M15 Setubal | 2020/10/05 09:00 | Joao Lucas Reis da Silva v Ribeiro Marcondes, Igor | 3-6,7-5,10-4 |
| ITF M15 Setubal | 2020/10/04 10:30 | Ribeiro Marcondes, Igor v Rodrigues, Pedro Gabriel | 6-1,6-0 |
| ITF M25 Porto | 2020/09/29 12:35 | Wilson Leite v Ribeiro Marcondes, Igor | 6-2,6-3 |
| ITF M25 Porto | 2020/09/28 15:00 | Ribeiro Marcondes, Igor v Joao Lucas Reis da Silva | 2-6,6-3,10-6 |
| ITF M25 Porto | 2020/09/27 19:00 | Ribeiro Marcondes, Igor v Gonzalo Lama | 6-2,6-3 |
| ITF M15 Castelo Branco | 2020/09/21 09:00 | Ribeiro Marcondes, Igor v Leopold Zima | 1-6,2-6 |
| ITF M15 Sintra | 2020/09/14 12:55 | Pedro Vives Marcos v Ribeiro Marcondes, Igor | 6-1,6-4 |
| ITF M15 Sintra | 2020/09/14 08:30 | Victor Bini v Ribeiro Marcondes, Igor | 1-6,3-6 |