Stadium: Stadium (Ct 9) Round: 54 Ground: Clay
| 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 |
| ITF W100 Midland | 2019/01/28 20:40 | Emina Bektas v Mari Osaka | 6-1,6-4 |
| WTA Newport Beach | 2019/01/22 18:00 | Mari Osaka v Katie Volynets | 0-6,0-6 |
| ITF Women Toronto | 2018/10/31 15:20 | Bianca Andreescu v Mari Osaka | 6-1,6-1 |
| ITF Women Florence | 2018/10/21 17:00 | Mari Osaka v Bianca Andreescu | 4-6,6-2,3-6 |
| ITF Women Florence | 2018/10/20 17:55 | Katie Volynets v Mari Osaka | 2-6,6-4,3-6 |
| ITF W25 Jackson | 2019/04/01 16:00 | Mihaela Djakovic v Epiphany B. Turner | 6-2,6-2 |
| ITF W15 Monastir | 2019/02/25 13:00 | Anna Makhorkina v Epiphany B. Turner | 6-2,5-7,11-9 |
| ITF W15 Monastir | 2019/02/25 08:00 | Epiphany B. Turner v Angelina Graovac | 4-6,6-0,10-8 |
| ITF Women Lexington Qual | 2018/07/30 13:00 | Anastasia E Nefedova v Epiphany B. Turner | 6-1,6-1 |
| ITF Women Lexington Qual | 2018/07/29 13:00 | Epiphany B. Turner v Katie Markham | 6-0,6-1 |
| ITF Women Evansville | 2018/07/23 14:00 | Epiphany B. Turner v Anna Baranovski | 6-4,2-6,1-6 |
| ITF Women Jackson Qual | 2018/04/03 15:00 | Amanda Rodgers v Epiphany B. Turner | 6-3,6-1 |
| ITF Women Jackson Qual | 2018/04/02 15:00 | Epiphany B. Turner v Kelly Williford | 6-3,7-6 |