Stadium: Court 5 Round: 25 Ground: Hardcourt indoor
| Challenger Aptos | 2019/08/06 17:00 | Roberto Quiroz v Andrew Harris | 6-3,6-3 |
| Challenger Dallas | 2020/02/04 16:00 | Hunter Reese v Roberto Quiroz | 6-7,5-7 |
| Challenger Newport Beach | 2020/01/29 22:10 | Roberto Quiroz v Steve Johnson | 3-6,2-6 |
| Challenger Ann Arbor | 2020/01/10 16:00 | Roberto Cid Subervi v Roberto Quiroz | 6-4,6-4 |
| Challenger Ann Arbor | 2020/01/09 20:30 | Nino Serdarusic v Roberto Quiroz | 5-7,6-7 |
| Challenger Ann Arbor | 2020/01/08 18:10 | Tobias Simon v Roberto Quiroz | 4-6,7-6,6-7 |
| Challenger Knoxville | 2019/11/04 19:25 | Roberto Quiroz v Dmitry Popko | 7-6,2-6,3-6 |
| Challenger Guayaquil | 2019/11/01 00:35 | Roberto Quiroz v Leonardo Mayer | 3-6,4-6 |
| Challenger Guayaquil | 2019/10/29 23:00 | Mario Vilella Martinez v Roberto Quiroz | 7-6,5-7,2-6 |
| Challenger Burnie | 2020/01/28 23:00 | Andrew Harris v Daniel Altmaier | 3-6,4-6 |
| Australian Open | 2020/01/20 00:00 | Matteo Berrettini v Andrew Harris | 6-3,6-1,6-3 |
| ATP Adelaide | 2020/01/11 00:50 | Gregoire Barrere v Andrew Harris | 6-1,6-3 |
| Challenger Canberra | 2020/01/08 00:20 | Evgeny Donskoy v Andrew Harris | 6-3,7-6 |
| Challenger Canberra | 2020/01/06 06:35 | Marius Copil v Andrew Harris | 6-4,5-7,6-7 |
| Australian Open WC | 2019/12/08 23:00 | Tristan Schoolkate v Andrew Harris | 4-6,7-6,6-2,3-6,6-2 |
| Challenger Playford 2 | 2019/10/31 01:10 | Max Purcell v Andrew Harris | 6-4,5-7,2-6 |
| Challenger Playford 2 | 2019/10/30 03:15 | Dane Sweeny v Andrew Harris | 3-6,2-6 |