stadio: Court 12 Round: 26 Ground: Clay
| ITF W25 Hilton Head Island | 2019/10/08 17:50 | Mari Osaka v Barbara Gatica | 6-3,6-4 |
| ITF W60 Charleston | 2019/10/03 14:00 | Maria Mateas v Mari Osaka | 6-1,7-6 |
| ITF W60 Charleston | 2019/10/01 18:50 | Hanyu Guo v Mari Osaka | 4-6,1-6 |
| ITF W60 Saint-Malo | 2019/09/17 13:25 | Mari Osaka v Lucie Wargnier | 4-6,2-6 |
| ITF W25 St. Poelten | 2019/09/10 10:05 | Mari Osaka v Caroline Werner | 2-6,1-6 |
| ITF W60 Montreux | 2019/09/06 14:50 | Alice Rame v Mari Osaka | 6-0,6-4 |
| ITF W60 Montreux | 2019/09/05 10:30 | Mari Osaka v Mandy Minella | 6-1,3-6,6-4 |
| ITF W60 Montreux | 2019/09/04 08:00 | Fiona Ganz v Mari Osaka | 4-6,2-6 |
| ITF W25 Hilton Head Island | 2019/10/09 15:30 | Victoria Hu v Kylie Collins | 3-6,2-6 |
| ITF W60 Charleston | 2019/09/30 20:20 | Kylie Collins v Tara Moore | 2-6,3-6 |
| ITF W25 Evansville | 2019/07/23 14:00 | Kylie Collins v Eleonore Tchakarova | 6-1,5-7,2-10 |
| ITF W15 Orlando | 2019/06/18 17:10 | Natasha Subhash v Kylie Collins | 7-6,6-3 |
| ITF W15 Wesley Chapel | 2019/06/13 13:00 | Kylie Collins v Victoria Emma | 2-6,2-6 |
| ITF W15 Wesley Chapel | 2019/06/11 18:55 | Akilah James v Kylie Collins | 5-7,2-6 |
| ITF W15 Naples | 2019/05/18 16:20 | Belinda Woolcock v Kylie Collins | 6-1,6-4 |
| ITF W15 Naples | 2019/05/17 15:00 | Kylie Collins v Reese Brantmeier | 6-3,2-6,6-3 |