Stadium: Stadium Court Round: 26 Ground: Clay
| Challenger Las Vegas | 2015/10/20 21:00 | Michael Mmoh v Ryan Harrison | 6-2,6-3 |
| ATP Acapulco | 2020/02/23 01:00 | Daniel Altmaier v Ryan Harrison | 6-2,6-3 |
| ATP Delray Beach | 2020/02/19 17:30 | Soonwoo Kwon v Ryan Harrison | 6-4,3-6,7-6 |
| ATP Delray Beach | 2020/02/17 17:45 | Ryan Harrison v Damir Dzumhur | 6-3,6-2 |
| Challenger Cleveland | 2020/02/13 19:55 | Geoffrey Blancaneaux v Ryan Harrison | 6-3,3-6,6-2 |
| Challenger Cleveland | 2020/02/13 00:05 | Ryan Harrison v Sebastian Ofner | 6-3,6-7,6-3 |
| Challenger Cleveland | 2020/02/10 23:00 | Ryan Harrison v Collin Altamirano | 6-4,7-6 |
| Challenger Dallas | 2020/02/04 03:00 | Ryan Harrison v Brandon Nakashima | 3-6,4-6 |
| Challenger Newport Beach | 2020/01/27 19:35 | Michael Redlicki v Ryan Harrison | 7-5,6-2 |
| Challenger Cary | 2020/11/09 19:15 | Michael Mmoh v Aleksandr Nedovyesov | 7-5,6-0 |
| French Open | 2020/09/28 11:05 | Michael Mmoh v Pierre-Hugues Herbert | 3-6,2-6,3-6 |
| French Open | 2020/09/25 08:00 | Michael Mmoh v Renzo Olivo | 4-6,6-2,6-3 |
| French Open | 2020/09/21 12:10 | Alex Bolt v Michael Mmoh | 4-6,3-6 |
| US Open | 2020/09/02 18:10 | Michael Mmoh v Jan-Lennard Struff | 2-6,2-6,5-7 |
| US Open | 2020/09/01 01:35 | Joao Sousa v Michael Mmoh | 2-6,5-7,6-2,1-6 |
| ATP New York | 2020/08/20 20:35 | Jordan Thompson v Michael Mmoh | 6-2,7-6 |
| Battle of Bradenton | 2020/07/02 16:15 | Strong Kirchheimer v Michael Mmoh | 6-5 |