Stadium: Central Round: 26 Ground: Clay
| ITF W60 Montreux | 2019/09/04 08:00 | Fiona Ganz v Mari Osaka | 4-6,2-6 |
| ITF W25 Guayaquil | 2019/08/21 15:00 | Mari Osaka v Camila Romero | 6-2,5-7,4-6 |
| ITF W25 Guayaquil | 2019/08/16 18:15 | Gabriela Talaba v Mari Osaka | 6-4,6-3 |
| ITF W25 Guayaquil | 2019/08/15 15:00 | Maria Jose Portillo Ramirez v Mari Osaka | 3-6,2-6 |
| ITF W25 Guayaquil | 2019/08/14 15:00 | Mell E R Gonzalez v Mari Osaka | 6-7,3-6 |
| ITF W25 Porto | 2019/07/27 12:00 | Mari Osaka v Myrtille Georges | 6-7,5-7 |
| ITF W25 Porto | 2019/07/26 12:05 | Pemra Ozgen v Mari Osaka | 4-6,1-6 |
| ITF W25 Porto | 2019/07/25 19:55 | Shrivalli Rashmikaa Bhamidipaty v Mari Osaka | 3-6,2-6 |
| ITF W60 Montreux | 2019/09/04 12:00 | Marine Partaud v Mandy Minella | 3-6,0-6 |
| US Open Women | 2019/08/27 15:00 | Mandy Minella v Belinda Bencic | 3-6,2-6 |
| ITF W100 Contrexeville | 2019/07/11 13:35 | Katarina Zavatska v Mandy Minella | 6-3,6-1 |
| ITF W100 Contrexeville | 2019/07/09 13:25 | Harmony Tan v Mandy Minella | 4-6,6-2,1-6 |
| Wimbledon Women | 2019/07/02 17:25 | Kiki Bertens v Mandy Minella | 6-3,6-2 |
| WTA Eastbourne | 2019/06/25 10:00 | Mandy Minella v Ons Jabeur | 6-2,2-6,1-6 |
| WTA Eastbourne | 2019/06/21 11:25 | Mandy Minella v Astra Sharma | 2-6,7-5,6-2 |
| ITF W60 Rome | 2019/06/13 09:50 | Barbara Haas v Mandy Minella | 6-4,6-1 |