Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF USA F33 | 2018/11/18 15:00 | Jacob Dunbar v Kooros Ghasemi | 6-1,6-0 |
| ITF USA F31 | 2018/11/15 18:30 | Evan Zhu v Jacob Dunbar | 6-4,6-3 |
| ITF USA F31 | 2018/11/14 19:50 | Justin Butsch v Jacob Dunbar | 1-6,1-6 |
| ITF USA F28 | 2018/10/16 16:25 | Herbert Jody Maginley v Jacob Dunbar | 6-3,7-6 |
| ITF USA F27 | 2018/10/09 15:00 | Jacob Dunbar v Yshai Oliel | 6-2,4-6,0-6 |
| Challenger Columbus | 2018/09/15 18:25 | Jacob Dunbar v Cannon Kingsley | 2-6,7-6,2-6 |
| ITF Canada F7 | 2018/09/11 18:30 | Jacob Dunbar v Liam Draxl | 6-4,4-6,2-6 |
| ITF Canada F6 | 2018/09/05 16:35 | Jacob Dunbar v Felix Corwin | 6-7,0-6 |
| Challenger Houston | 2018/11/15 16:00 | Kamil Majchrzak v Roberto Ortega-Olmedo | 6-3,4-6,6-3 |
| Challenger Houston | 2018/11/13 22:55 | Sumit Sarkar v Roberto Ortega-Olmedo | 6-7,1-6 |
| Challenger Las Vegas | 2018/10/25 19:20 | Roberto Ortega-Olmedo v Jason Jung | 4-6,4-6 |
| Challenger Las Vegas | 2018/10/23 22:45 | Jan Choinski v Roberto Ortega-Olmedo | 3-6,4-6 |
| Challenger Las Vegas | 2018/10/22 18:00 | Hugo Grenier v Roberto Ortega-Olmedo | 7-6,3-6,4-6 |
| Challenger Las Vegas | 2018/10/21 19:20 | Alex Rybakov v Roberto Ortega-Olmedo | 6-7,4-6 |
| Challenger Las Vegas | 2018/10/20 20:00 | Lucas Gomez v Roberto Ortega-Olmedo | 2-6,7-5,0-6 |
| Challenger Calgary | 2018/10/15 20:05 | Enzo Couacaud v Roberto Ortega-Olmedo | 6-2,4-6,6-3 |