Stadium: Cancha Siete Leguas Round: 45 Ground: Hardcourt outdoor
| Challenger Guadalajara Qual | 2018/04/15 16:00 | Griekspoor, Scott v Olivares, Jose | 6-3,7-5 |
| Challenger Guadalajara Qual | 2018/04/14 15:00 | Olivares, Jose v Rivera Caballero, Mauricio | 6-3,6-3 |
| Coupe Davis | 2018/04/07 15:20 | Olivares, Jose v Kaipo Marshall | 6-0,6-1 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Olivares, Jose v Bradley, Julian | 6-4,3-6,3-6 |
| ITF USA F7 Qual | 2018/03/12 17:00 | Olivares, Jose v Tristan Boyer | 3-6,4-6 |
| ITF USA F7 Qual | 2018/03/11 18:00 | Olivares, Jose v Shamma, Nicholas | 3-6,6-3,6-4 |
| ITF Dominican Republic F3 | 2017/12/15 14:00 | Olivares, Jose v Hernandez-Fernandez, Jose | 4-6,2-6 |
| ITF Dominican Republic F3 | 2017/12/14 14:00 | Roberto Cid Subervi v Olivares, Jose | 4-6,4-6 |
| Challenger - Taipei | 2018/04/10 06:50 | Chen, Ti v Roelofse, Ruan | 7-6,6-3 |
| Challenger Taipei Qual | 2018/04/09 03:00 | Roelofse, Ruan v Grills, Jacob | 6-4,2-6,7-6 |
| Challenger Taipei Qual | 2018/04/07 02:00 | Chang, Chen v Roelofse, Ruan | 0-6,3-6 |
| ITF USA F8 | 2018/03/23 17:30 | Mathias Bourgue v Roelofse, Ruan | 6-3,6-4 |
| ITF USA F8 | 2018/03/20 20:00 | Roelofse, Ruan v Isaiah Strode | 6-2,6-4 |
| ITF USA F8 Qual | 2018/03/19 20:20 | Roelofse, Ruan v Sands, Jake | 1-6,6-4,6-2 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Roelofse, Ruan v Ventre, Alessandro-Damiano | 6-1,6-2 |
| Drummondville, Canada | 2018/03/14 16:05 | Monette, Samuel v Roelofse, Ruan | 6-3,6-4 |