Stadium: Cancha 1 Round: 24 Ground: Hardcourt outdoor
| ITF USA F33 | 2018/11/24 15:00 | Jack Findel-Hawkins v Roberto Ortega-Olmedo | 6-3,2-6,2-6 |
| ITF USA F33 | 2018/11/23 17:30 | Maxime Cressy v Roberto Ortega-Olmedo | 6-7,6-7 |
| ITF USA F33 | 2018/11/21 17:00 | John McNally v Roberto Ortega-Olmedo | 1-6,2-6 |
| ITF USA F33 | 2018/11/20 21:45 | Jacob Dunbar v Roberto Ortega-Olmedo | 2-6,2-6 |
| 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 Liuzhou | 2018/10/20 06:55 | Renta Tokuda v Yusuke Takahashi | 7-5,6-0 |
| Challenger Ningbo | 2018/10/16 10:00 | Tatsuma Ito v Yusuke Takahashi | 7-6,6-3 |
| Challenger Ningbo | 2018/10/15 02:30 | Arjun Kadhe v Yusuke Takahashi | 4-6,1-6 |
| Challenger Ningbo | 2018/10/14 02:30 | Zhao Zhao v Yusuke Takahashi | 0-6,6-7 |
| ATP Chengdu | 2018/09/22 07:20 | Yusuke Takahashi v Felix Auger Aliassime | 3-6,2-6 |
| Challenger Shanghai | 2018/09/08 07:55 | Yusuke Takahashi v Yuta Shimizu | 6-3,2-6,5-7 |
| Challenger Zhangjiagang | 2018/09/05 04:20 | Yusuke Takahashi v Alexander Bublik | 3-6,4-6 |
| Challenger Zhangjiagang | 2018/09/04 02:00 | Yuta Shimizu v Yusuke Takahashi | 6-4,6-2 |