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