Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Medellin | 2021/09/13 20:00 | Castro, Cristobal v Nicolas Buitrago | 4-6,4-6 |
| ITF M25 Medellin | 2021/09/13 15:00 | Yapur, Jose Elias v Nicolas Buitrago | 0-6,2-6 |
| ITF M25 Medellin | 2021/09/12 15:00 | Nicolas Buitrago v Leiva Biason, Oscar Mattias | 6-0,6-1 |
| ITF M15 Ibague | 2021/09/09 14:30 | Juan Sebastian Gomez v Nicolas Buitrago | 6-2,7-6 |
| ITF M15 Ibague | 2021/09/08 17:00 | Nicolas Buitrago v Castro, Cristobal | 6-3,6-1 |
| ITF M15 Ibague | 2021/09/07 14:00 | Nicolas Buitrago v Santibanez, Sebastian | 6-4,6-2 |
| ITF M15 Ibague | 2021/09/05 14:00 | Nicolas Buitrago v Mateo Castaneda | 6-1,6-0 |
| Colombian National Exhibition | 2020/08/21 18:30 | Nicolas Buitrago v Mora, Daniel | 6-4,6-4 |
| ITF M25 Medellin | 2021/09/13 20:00 | Marcelo Marino Hidalgo v Gruber, Caio | 5-7,2-6 |
| ITF M15 Ibague | 2021/09/07 14:00 | Gustavo Tedesco v Gruber, Caio | 4-6,6-4,10-5 |
| ITF M15 Ibague | 2021/09/06 18:30 | Marin Dumitru v Gruber, Caio | 4-6,1-6 |
| Maldonado, Singles Qualifying M-ITF-URU-01A | 2019/11/25 14:30 | Arus, Rodrigo v Gruber, Caio | 6-4,6-3 |
| Santa Tecla, Singles M-ITF-ESA-01A | 2019/10/01 15:00 | Gruber, Caio v Blumenberg, Alex | 2-6,2-6 |
| ITF Brazil F7 | 2018/10/28 15:00 | Gruber, Caio v Natan Rodrigues | 2-6,2-6 |
| ITF Brazil F6 | 2018/10/20 13:00 | Gruber, Caio v Trevisan Rezende, Matheus | 6-1,3-6,0-6 |
| ITF Brazil F5 | 2018/10/14 13:00 | Hinsching, Joao v Gruber, Caio | 6-1,6-1 |