Stadium: Grandstand Round: 26 Ground: Clay
| ATP Santiago MD | 2020/02/29 18:00 | Carballes Baena/Alejandro Davidovich Fokina v Arevalo/O'Mara | 7-6,6-1 |
| ATP Santiago MD | 2020/02/28 17:30 | Bagnis/Cuevas v Arevalo/O'Mara | 6-7,4-6 |
| ATP Santiago MD | 2020/02/27 21:00 | Coria/Londero v Arevalo/O'Mara | 6-7,3-6 |
| ATP Santiago MD | 2020/02/26 16:00 | Jebavy/Zelenay v Arevalo/O'Mara | 4-6,6-4,6-10 |
| ATP Delray Beach MD | 2020/02/22 17:30 | Bryan/Bryan v Arevalo/O'Mara | 6-7,6-4,10-4 |
| ATP Delray Beach MD | 2020/02/20 18:00 | Arevalo/O'Mara v Harrison/Novikov | 6-4,6-4 |
| ATP Delray Beach MD | 2020/02/19 16:00 | Daniell/Oswald v Arevalo/O'Mara | 4-6,2-6 |
| ATP New York MD | 2020/02/16 01:45 | Johnson/Opelka v Arevalo/O'Mara | 7-6,6-4 |
| Challenger Portoroz MD | 2019/08/14 17:30 | Sijsling/Smits v Golubev/Vavassori | 6-7,7-5,10-7 |