Stadium: Court 1 Round: 28 Ground: Clay
| ITF - Medellin M25 | 2021/09/17 15:00 | Pedro Sakamoto v Juan A H Serrano | 6-3,6-2 |
| ITF - Medellin M25 | 2021/09/16 14:55 | Pedro Sakamoto v Luciano Tacchi | 6-4,6-2 |
| ITF - Medellin M25 | 2021/09/15 15:00 | Pedro Sakamoto v Andres Urrea | 6-3,6-3 |
| ITF - Medellin M25 | 2021/09/13 20:00 | Pedro Sakamoto v Felipe Hernandez | 6-0,6-0 |
| ITF - Medellin M25 | 2021/09/13 15:00 | Pedro Sakamoto v Tomas Builes | 6-0,6-0 |
| ITF - Medellin M25 | 2021/09/12 15:00 | Pedro Sakamoto v Joao Eduardo Schiessl | 6-2,6-1 |
| Challenger Barletta | 2021/08/24 09:00 | Pedro Sakamoto v Nicolas Mejia | 6-7,6-7 |
| ITF - Bacau M25 | 2021/08/17 11:15 | Pedro Sakamoto v Oleg Prihodko | 6-3,6-1 |
| ITF - Medellin M25 | 2021/09/17 15:00 | Gilbert S K Junior v Alan Kohen | 6-2,4-6,6-1 |
| ITF - Medellin M25 | 2021/09/16 15:00 | Gilbert S K Junior v Mateo Gomez | 6-3,6-3 |
| ITF - Medellin M25 | 2021/09/14 18:05 | Gilbert S K Junior v Enrique Bogo | 6-1,6-2 |
| ITF - Poznań M25 | 2021/08/25 10:00 | Harry Wendelken v Gilbert S K Junior | 3-6,6-4,6-2 |
| ITF - Łódź M15 | 2021/08/21 08:00 | Gilbert S K Junior v Maciej Rajski | 4-6,6-7 |
| ITF - Łódź M15 | 2021/08/20 10:15 | Daniel Michalski v Gilbert S K Junior | 6-4,3-6,3-6 |
| ITF - Łódź M15 | 2021/08/19 10:00 | Tommaso Compagnucci v Gilbert S K Junior | 4-6,2-6 |
| ITF - Łódź M15 | 2021/08/18 11:25 | Aristotelis Thanos v Gilbert S K Junior | 2-6,3-6 |