Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| 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 |
| Challenger Liuzhou | 2019/10/21 04:40 | Nicolas Barrientos v Fajing Sun | 6-4,3-6,7-6 |
| Challenger Ningbo | 2019/10/16 02:00 | Enrique Lopez-Perez v Nicolas Barrientos | 6-4,6-3 |
| Challenger Ningbo | 2019/10/15 02:00 | Goncalo Oliveira v Nicolas Barrientos | 5-7,0-6 |
| Challenger Portoroz | 2019/08/13 08:00 | Nicolas Barrientos v Viktor Durasovic | 2-6,6-3,1-6 |
| Challenger Portoroz | 2019/08/12 08:00 | Alexander Erler v Nicolas Barrientos | 6-3,2-6,2-6 |
| Challenger Manerbio | 2019/08/06 08:00 | Nicolas Barrientos v Fabien Reboul | 4-6,3-6 |
| ITF M25 Naples | 2019/10/29 16:00 | Sam Riffice v Micah Braswell | 6-3,6-3 |
| Challenger Sarasota Qual | 2018/04/14 15:40 | Strong Kirchheimer v Micah Braswell | 6-2,6-4 |