Stadium: Cancha Central Round: 25 Ground: Clay
| ITF Turkey F16 | 2017/04/27 07:00 | Juan Pablo Varillas v Pedro Sakamoto | 6-1,6-1 |
| Challenger Barletta | 2021/08/24 09:00 | Pedro Sakamoto v Nicolas Mejia | 6-7,6-7 |
| ITF M25 Bacau | 2021/08/17 11:15 | Pedro Sakamoto v Oleg Prihodko | 6-3,6-1 |
| ITF M25 Frankfurt am Main | 2021/08/12 09:00 | Daniel Cukierman v Pedro Sakamoto | 6-3,1-6,6-1 |
| ITF M25 Frankfurt am Main | 2021/08/10 12:20 | Philip Florig v Pedro Sakamoto | 4-6,1-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 14:25 | Pedro Sakamoto v Illya Beloborodko | 4-6,4-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 07:00 | Pedro Sakamoto v Giacomo Revelli | 5-7,6-2,6-3 |
| Challenger Trieste | 2021/07/27 16:00 | Giulio Zeppieri v Pedro Sakamoto | 3-6,6-3,6-3 |
| Challenger Trieste | 2021/07/26 13:30 | Pedro Sakamoto v Hernan Casanova | 6-4,7-6 |
| US Open | 2021/08/24 19:45 | Juan Pablo Varillas v Zizou Bergs | 6-2,1-6,6-7 |
| Challenger Cordenons | 2021/08/06 17:15 | Tomas Martin Etcheverry v Juan Pablo Varillas | 6-2,2-6,7-5 |
| Challenger Cordenons | 2021/08/05 10:00 | Zdenek Kolar v Juan Pablo Varillas | 3-6,7-6,6-7 |
| Challenger Cordenons | 2021/08/04 09:00 | Alejandro Tabilo v Juan Pablo Varillas | 4-6,4-6 |
| Olympics 2020 - Men | 2021/07/25 07:05 | Diego Schwartzman v Juan Pablo Varillas | 7-5,6-4 |
| ATP Hamburg | 2021/07/15 18:05 | Benoit Paire v Juan Pablo Varillas | 7-5,7-6 |
| ATP Hamburg | 2021/07/13 09:00 | Juan Pablo Varillas v Sumit Nagal | 6-0,6-4 |
| ATP Hamburg | 2021/07/11 13:45 | Juan Pablo Varillas v Sebastian Baez | 6-2,3-6,7-6 |