Stadium: Court 2 Round: 14 Ground: Clay
| Challenger Santos | 2016/09/20 18:10 | Rafael Matos v Pedro Sakamoto | 4-6,1-6 |
| Challenger Guayaquil | 2020/11/14 18:45 | Rafael Matos v Hernan Casanova | 3-6,3-6 |
| Challenger Split | 2020/09/26 15:40 | Mathias Bourgue v Rafael Matos | 6-4,6-4 |
| Challenger Iasi | 2020/09/12 10:55 | Kacper Zuk v Rafael Matos | 6-3,6-3 |
| ITF M25 Lima | 2020/02/11 15:00 | Rafael Matos v Mariano Kestelboim | 5-7,6-4,2-6 |
| ITF M25 Lima | 2020/02/05 14:50 | Mariano Kestelboim v Rafael Matos | 6-4,6-3 |
| Challenger Punta del Este | 2020/01/27 14:20 | Rafael Matos v Nicolas Alvarez | 6-3,4-6,3-6 |
| Challenger Houston | 2019/11/12 22:25 | Rafael Matos v Gonzalo Villanueva | 6-7,4-6 |
| Challenger Montevideo | 2019/11/05 19:20 | Jaume Munar v Rafael Matos | 6-3,2-6,6-4 |
| ATP Delray Beach | 2021/01/05 15:40 | Pedro Sakamoto v Donald Young | 6-3,4-6,2-6 |
| Challenger Campinas | 2020/12/01 13:00 | Francisco Cerundolo v Pedro Sakamoto | 6-1,6-3 |
| Challenger Sao Paulo | 2020/11/28 14:00 | Pedro Sakamoto v Felipe Meligeni Rodrigues Alves | 2-6,4-6 |
| Challenger Sao Paulo | 2020/11/27 16:30 | Maxime Janvier v Pedro Sakamoto | 2-6,6-3,1-6 |
| Challenger Sao Paulo | 2020/11/25 13:00 | Pedro Sakamoto v Juan Pablo Ficovich | 7-6,7-5 |
| Challenger Sao Paulo | 2020/11/23 16:30 | Pedro Sakamoto v Igor Marcondes | 6-1,6-7,7-5 |
| Challenger Guayaquil | 2020/11/16 15:00 | Francisco Cerundolo v Pedro Sakamoto | 6-3,6-3 |
| Challenger Lisbon | 2020/10/10 09:00 | Pedro Sakamoto v Tristan Lamasine | 4-6,7-5,4-6 |