Round: 27 Ground: Hardcourt outdoor
| Challenger Las Vegas | 2015/10/20 21:00 | Taylor Fritz v Nicolas Barrientos | 6-3,6-2 |
| Challenger Kaohsiung | 2015/09/23 06:00 | Jiri Vesely v Nicolas Barrientos | 4-6,6-3,6-2 |
| Challenger Kaohsiung | 2015/09/22 05:10 | Nicolas Barrientos v Kuan-Yi Lee | 6-4,6-4 |
| Challenger Shanghai | 2015/09/11 02:00 | Nicolas Barrientos v Marco Trungelliti | 3-6,4-6 |
| Challenger Shanghai | 2015/09/09 04:00 | Nicolas Barrientos v Tsung-Hua Yang | 7-6,6-7,6-3 |
| ITF Colombia F7 | 2015/08/08 15:00 | Jose Pereira v Nicolas Barrientos | 6-1,3-6,4-6 |
| ITF Colombia F7 | 2015/08/07 15:00 | Juan Sebastian Gomez v Nicolas Barrientos | 1-6,6-7 |
| ITF Colombia F7 | 2015/08/06 15:30 | Daniel Dutra Da Silva v Nicolas Barrientos | 0-6,3-6 |
| Challenger Genova | 2015/09/10 11:00 | Albert Ramos-Vinolas v Horacio Zeballos | 6-2,6-2 |
| Challenger Genova | 2015/09/09 09:00 | Laslo Djere v Horacio Zeballos | 3-6,4-6 |
| US Open Qual | 2015/08/26 20:05 | Alexander Zverev v Horacio Zeballos | 6-1,6-4 |
| Wimbledon | 2015/06/29 10:30 | Horacio Zeballos v David Goffin | 6-7,1-6,1-6 |
| Wimbledon Qual | 2015/06/24 14:35 | Gastao Elias v Horacio Zeballos | 1-6,7-6,5-7 |
| Wimbledon Qual | 2015/06/22 16:25 | Pere Riba v Horacio Zeballos | 7-6,4-6,4-6 |
| Challenger Blois | 2015/06/19 16:05 | Horacio Zeballos v Calvin Hemery | 5-7,7-6,3-6 |
| Challenger Blois | 2015/06/18 16:30 | Horacio Zeballos v Tristan Lamasine | 6-2,6-3 |