Round: 60 Ground: Hardcourt outdoor
| ITF USA F29 | 2018/10/28 16:00 | Nikola Samardzic v Kyle Johnson | 5-7,2-6 |
| ITF USA F29 | 2018/10/27 14:00 | Rowland Phillips v Nikola Samardzic | 4-6,4-6 |
| ITF USA F26 Qual | 2016/07/30 17:00 | Myles Schalet v Nikola Samardzic | 6-4,3-6,6-3 |
| ITF USA F25 Qual | 2016/07/23 15:00 | Nikola Samardzic v Julian Zlobinsky | 3-6,2-6 |
| ITF USA F24 Qual | 2016/07/18 17:40 | Nikola Samardzic v Alexander Brown | 6-7,3-6 |
| ITF USA F24 Qual | 2016/07/17 15:00 | Jonathan Ho v Nikola Samardzic | 4-6,6-1,1-6 |
| ITF USA F6 | 2015/01/23 15:30 | Nikola Samardzic v Brian Battistone | 2-6,1-6 |
| ITF USA F5 | 2015/01/17 16:00 | Lucas Catarina v Nikola Samardzic | 6-4,6-4 |
| Challenger Monterrey | 2018/09/29 20:35 | Marcelo Sepulveda v Emilio Nava | 4-6,4-6 |
| ITF USA F19 Qual | 2018/06/30 16:00 | Marcelo Sepulveda v Maxime Cressy | 4-6,2-6 |
| ITF Mexico F2 | 2018/05/15 17:25 | Marcelo Sepulveda v Samuel Shropshire | 3-6,2-6 |
| ITF Mexico F1 | 2018/05/06 16:00 | Alexander Merino v Marcelo Sepulveda | 6-2,5-7,6-3 |
| ITF Mexico F1 | 2018/05/05 16:00 | Marcelo Sepulveda v Conner McMann | 4-6,6-3,6-1 |
| Challenger Puerto Vallarta | 2018/05/01 00:45 | Marcelo Sepulveda v Santiago Giraldo | 2-6,0-6 |
| ITF USA F12 | 2018/04/22 17:00 | Marcelo Sepulveda v Julian Bradley | 6-7,7-6,3-6 |
| ITF USA F12 | 2018/04/20 12:00 | Marcelo Sepulveda v Yang Liu | 6-2,6-2 |