Stadium: Court 12 Round: 26 Ground: Clay
| ITF W25 Hilton Head Island | 2019/10/08 17:50 | Osaka, Mari v Gatica, Barbara | 6-3,6-4 |
| ITF W60 Charleston | 2019/10/03 14:00 | Maria Mateas v Osaka, Mari | 6-1,7-6 |
| ITF W60 Charleston | 2019/10/01 18:50 | Hanyu Guo v Osaka, Mari | 4-6,1-6 |
| Saint-Malo, Singles W-ITF-FRA-15A | 2019/09/17 13:25 | Osaka, Mari v Wargnier, Lucie | 4-6,2-6 |
| St. Pölten, Qualifications Simples W-ITF-AUT-01B | 2019/09/10 10:05 | Osaka, Mari v Caroline Werner | 2-6,1-6 |
| ITF W60 Montreux | 2019/09/06 14:50 | Alice Rame v Osaka, Mari | 6-0,6-4 |
| ITF W60 Montreux | 2019/09/05 10:30 | Osaka, Mari v Minella, Mandy | 6-1,3-6,6-4 |
| ITF W60 Montreux | 2019/09/04 08:00 | Fiona Ganz v Osaka, Mari | 4-6,2-6 |
| ITF W25 Hilton Head Island | 2019/10/09 15:30 | Victoria Hu v Collins, Kylie | 3-6,2-6 |
| ITF W60 Charleston | 2019/09/30 20:20 | Collins, Kylie v Moore, Tara | 2-6,3-6 |
| ITF W25 Evansville | 2019/07/23 14:00 | Collins, Kylie v Tchakarova, Eleonore | 6-1,5-7,2-10 |
| Orlando, Singles Qualifying W-ITF-USA-27A | 2019/06/18 17:10 | Subhash, Natasha v Collins, Kylie | 7-6,6-3 |
| Wesley Chapel, Singles Qualifying W-ITF-USA-26A | 2019/06/13 13:00 | Collins, Kylie v Victoria Emma | 2-6,2-6 |
| Wesley Chapel, Singles Qualifying W-ITF-USA-26A | 2019/06/11 18:55 | James, Akilah v Collins, Kylie | 5-7,2-6 |
| ITF W15 Naples | 2019/05/18 16:20 | Woolcock, Belinda v Collins, Kylie | 6-1,6-4 |
| ITF W15 Naples | 2019/05/17 15:00 | Collins, Kylie v Brantmeier, Reese | 6-3,2-6,6-3 |