stadio: Court 3 Round: 26 Ground: Clay
| ITF W25 Osprey | 2019/04/24 20:25 | Ann Li v Arianne Hartono | 6-3,6-2 |
| ITF W25 Pelham | 2019/04/12 15:00 | Ann Li v Barbora Krejcikova | 6-7,3-6 |
| ITF W25 Pelham | 2019/04/11 16:35 | Anhelina Kalinina v Ann Li | 2-6,1-6 |
| ITF W25 Jackson | 2019/04/07 15:00 | Katarzyna Kawa v Ann Li | 6-3,6-2 |
| ITF W25 Jackson | 2019/04/06 15:00 | Olga Govortsova v Ann Li | 3-6,6-4,0-6 |
| ITF W25 Jackson | 2019/04/05 18:45 | Gabriela Talaba v Ann Li | 5-7,3-6 |
| ITF W25 Jackson | 2019/04/05 15:15 | Catherine Leduc v Ann Li | 0-6,0-6 |
| ITF W25 Jackson | 2019/04/03 16:40 | Ayumi Koshiishi v Ann Li | 1-6,2-6 |
| ITF W25 Osprey | 2019/04/24 19:10 | Alexandra Perper v Mari Osaka | 6-0,4-6,0-6 |
| ITF W25 Pelham | 2019/04/11 23:30 | Mari Osaka v Sesil Karatantcheva | 4-6,4-6 |
| ITF W25 Pelham | 2019/04/10 16:05 | Mari Osaka v Kayla Day | 6-3,6-4 |
| ITF W25 Pelham | 2019/04/09 21:30 | Mari Osaka v Panna Udvardy | 7-6,6-3 |
| ITF W25 Pelham | 2019/04/08 15:00 | Mari Osaka v Epiphany B. Turner | 6-0,6-0 |
| ITF W80 Palm Harbor | 2019/04/04 17:45 | Mari Osaka v Kurumi Nara | 6-7,4-6 |
| ITF W80 Palm Harbor | 2019/04/02 19:25 | Mari Osaka v Urszula Radwanska | 6-1,7-6 |
| WTA Miami | 2019/03/21 16:25 | Whitney Osuigwe v Mari Osaka | 6-2,6-4 |