Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Ibague | 2021/09/06 20:45 | Eduardo Lacalle v Juan Sebastian Osorio | 4-6,7-5,7-10 |
| ITF M15 Ibague | 2021/09/05 15:00 | Joao Eduardo Schiessl v Juan Sebastian Osorio | 4-6,6-2,4-10 |
| ITF M25 Guayaquil | 2021/08/01 16:30 | Juan Sebastian Osorio v McClain Kessler | 1-6,3-6 |
| ITF M25 Portoviejo | 2021/07/26 14:30 | Mateo Gomez v Juan Sebastian Osorio | 7-5,6-3 |
| ITF M25 Portoviejo | 2021/07/25 14:30 | Giuliano F Z Poggi v Juan Sebastian Osorio | 1-6,1-6 |
| ITF M25 Santo Domingo | 2021/06/06 13:00 | Juan Sebastian Osorio v Franco Ribero | 2-6,6-3,8-10 |
| ITF M25 Santo Domingo | 2021/05/31 13:00 | Justin Roberts v Juan Sebastian Osorio | 6-3,7-6 |
| ITF M25 Santo Domingo | 2021/05/30 13:00 | Amador Salazar v Juan Sebastian Osorio | 2-6,6-3,8-10 |
| ITF M15 Ibague | 2021/09/06 20:35 | Juan Diego Alzate Perilla v Michael Quintero Aguilar | 1-6,3-6 |