Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| 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 |
| Colombian National Exhibition | 2020/08/21 19:30 | Juan Sebastian Osorio v Andres Urrea | 6-7,4-6 |
| Colombian National Exhibition | 2020/08/21 14:00 | Juan Sebastian Gomez v Juan Sebastian Osorio | 0-6,6-3,3-6 |
| ITF M15 Monastir | 2021/08/23 08:00 | Ren Nakamura v Rishi Reddy | 4-6,1-6 |
| ITF M15 Monastir | 2021/08/22 09:00 | Ren Nakamura v Dheeraj Kodancha Srinivasan | 6-4,7-5 |
| ITF M15 Monastir | 2021/08/15 11:00 | Matthew Dellavedova v Ren Nakamura | 6-1,6-4 |
| ITF M15 Monastir | 2021/08/08 08:30 | Ren Nakamura v Adil Kalyanpur | 1-6,2-6 |
| ITF M15 Monastir | 2021/06/07 12:30 | Ko Suzuki v Ren Nakamura | 6-4,6-1 |
| ITF M15 Monastir | 2021/06/07 08:00 | Lucas Cotler v Ren Nakamura | 2-6,3-6 |
| ITF M15 Monastir | 2021/06/02 10:20 | Julian Gimenez v Ren Nakamura | 7-5,0-6,6-1 |
| ITF M15 Monastir | 2021/05/31 12:30 | Maxence Beauge v Ren Nakamura | 6-2,5-7,11-9 |