Stadium: Court 9 Round: 26 Ground: Clay
| ITF M25 Weston | 2020/01/29 16:40 | Alex Rybakov v Nicolas Barrientos | 6-7,6-3,4-6 |
| Challenger Ann Arbor | 2020/01/07 00:40 | Agustin Velotti v Nicolas Barrientos | 6-4,6-3 |
| ITF M15 Santa Marta | 2019/12/08 20:55 | Alejandro Gomez v Nicolas Barrientos | 4-6,6-1,6-4 |
| ITF M15 Santa Marta | 2019/12/07 20:00 | Juan Sebastian Gomez v Nicolas Barrientos | 4-6,1-6 |
| ITF M15 Santa Marta | 2019/12/06 20:00 | Alejandro Mendoza v Nicolas Barrientos | 4-6,2-6 |
| ITF M15 Santa Marta | 2019/12/03 22:55 | Federico Juan Aguilar v Nicolas Barrientos | 1-6,3-6 |
| Challenger Shenzhen 2 | 2019/10/28 03:45 | Tung-Lin Wu v Nicolas Barrientos | 6-3,7-5 |
| Challenger Liuzhou | 2019/10/22 06:15 | Prajnesh Gunneswaran v Nicolas Barrientos | 6-2,6-1 |
| ITF M25 Weston | 2020/01/29 14:00 | Wilson Leite v Nicolas Mejia | 6-4,0-6,6-4 |
| ITF M25 Rancho Santa Fe | 2020/01/13 18:00 | Wilson Leite v Matic Spec | 4-6,6-7 |
| ITF M25 Los Angeles | 2020/01/09 19:15 | Alexander Ritschard v Wilson Leite | 6-3,6-2 |
| ITF M25 Los Angeles | 2020/01/07 21:40 | Wilson Leite v Felix Corwin | 2-6,6-2,6-3 |
| ITF M25 Naples | 2019/11/19 16:10 | Tomas Martin Etcheverry v Wilson Leite | 7-5,2-6,6-4 |
| Challenger Champaign | 2019/11/12 18:10 | Wilson Leite v Daniel Altmaier | 0-6,5-7 |
| Challenger Montevideo | 2019/11/04 21:10 | Wilson Leite v Agustin Velotti | 3-6,6-2,3-6 |
| Challenger Guayaquil | 2019/10/29 18:40 | Wilson Leite v Thiago Seyboth Wild | 4-6,1-6 |