Stadium: Barry Mackay Court 4 Round: 45 Ground: Hardcourt indoor
| Challenger Dallas Qual | 2018/01/29 18:15 | Evgeny Karlovskiy v Guillermo Olaso | 6-7,6-1,7-6 |
| Challenger Dallas Qual | 2018/01/28 16:00 | Guillermo Olaso v Patricio Heras | 6-0,6-4 |
| Challenger Dallas Qual | 2018/01/27 17:20 | Arnau Dachs v Guillermo Olaso | 3-6,4-6 |
| Challenger Newport Beach | 2018/01/23 21:25 | Taylor Fritz v Guillermo Olaso | 6-3,6-4 |
| Challenger Newport Beach Qual | 2018/01/22 18:00 | Guillermo Olaso v JC Aragone | 6-3,2-6,7-6 |
| Challenger Newport Beach Qual | 2018/01/21 20:25 | Brayden Schnur v Guillermo Olaso | 6-4,4-6,4-6 |
| Challenger Newport Beach Qual | 2018/01/20 22:05 | Ante Pavic v Guillermo Olaso | 3-6,3-6 |
| Challenger Bangkok | 2018/01/09 03:00 | Guillermo Olaso v Pedro Martinez | 4-6,4-6 |
| ITF Canada F4 | 2017/07/04 19:00 | Jacob Brumm v Jack Davis | 6-4,4-6,4-6 |
| ITF Canada F3 Qual | 2017/06/25 19:00 | Jacob Brumm v Josh Hagar | 1-6,1-6 |
| ITF USA F11 Qual | 2017/03/20 16:00 | Samir Iftikhar v Jacob Brumm | 6-2,7-5 |
| ITF USA F11 Qual | 2017/03/19 16:00 | Jacob Brumm v Lucas Renard | 6-1,5-7,6-0 |
| ITF USA F11 Qual | 2017/03/18 16:00 | Jacob Brumm v Nicholas Shamma | 6-3,6-3 |
| ITF USA F10 | 2017/03/14 19:50 | Wil Spencer v Jacob Brumm | 6-4,6-2 |
| ITF USA F2 Qual | 2017/01/07 18:00 | Alexander Cozbinov v Jacob Brumm | 3-6,6-3,6-3 |
| ITF USA F1 Qual | 2016/12/31 17:00 | Jacob Brumm v Laurens Verboven | 4-6,2-6 |