| US Pro Tennis Series – naised | 2020/05/06 18:30 | Renata Zarazua v Mari Osaka | 3-6,6-4,1-0 |
| ITF W25 Irapuato | 2020/03/12 01:55 | Nadia Podoroska v Mari Osaka | 6-0,6-4 |
| ITF W25 Irapuato | 2020/03/09 18:30 | Mari Osaka v Georgina Garcia-Perez | 7-5,7-6 |
| ITF W25 Rancho Santa Fe | 2020/02/25 18:00 | Mari Osaka v Rebecca Sramkova | 2-6,4-6 |
| ITF W25 Rancho Santa Fe | 2020/02/24 20:00 | Mari Osaka v Emina Bektas | 6-1,3-6,10-6 |
| ITF W100 Nicholasville | 2020/02/10 17:00 | Peyton Stearns v Mari Osaka | 6-0,7-6 |
| ITF W100 Midland | 2020/02/03 19:35 | Mari Osaka v Marine Partaud | 3-6,7-6,6-10 |
| ITF W25 Vero Beach | 2020/01/24 14:00 | Mari Osaka v Seone Mendez | 3-6,7-6,4-6 |
| US Pro Tennis Series – naised | 2020/05/05 14:30 | Sofia Sewing v Panna Udvardy | 4-6,3-6 |
| ITF W15 Cancún | 2020/03/11 19:25 | Gabriella Price v Sofia Sewing | 6-2,6-4 |
| ITF W25 Las Vegas | 2020/03/04 22:10 | Sofia Sewing v Katie Swan | 3-6,2-6 |
| ITF W25 Las Vegas | 2020/03/03 18:00 | Sofia Sewing v Charlotte Chavatipon | 6-3,6-4 |
| ITF W25 Las Vegas | 2020/03/02 18:00 | Katie Volynets v Sofia Sewing | 6-7,2-6 |
| ITF W15 Cancún | 2020/01/23 14:00 | Alexa Noel v Sofia Sewing | 6-4,6-3 |
| ITF W15 Cancún | 2020/01/22 14:00 | Lian Tran v Sofia Sewing | 6-7,2-6 |
| ITF W15 Cancún | 2020/01/19 14:00 | Sofia Sewing v Anastasia Sysoeva | 7-5,6-0 |