Stadium: Indoor A4 Round: 25 Ground: Hardcourt outdoor
| WTA Bogota | 2019/04/11 01:10 | Kristie Ahn v Maria Camila Osorio | 4-6,7-6,3-6 |
| WTA Bogota | 2019/04/10 00:00 | Jelena Ostapenko v Kristie Ahn | 6-2,6-7,5-7 |
| WTA Bogota | 2019/04/07 15:30 | Bibiane Schoofs v Kristie Ahn | 7-5,6-3 |
| WTA Bogota | 2019/04/06 15:30 | Natalija Stevanovic v Kristie Ahn | 5-7,6-2,0-6 |
| WTA Monterrey | 2019/03/31 21:10 | Shilin Xu v Kristie Ahn | 7-5,6-1 |
| WTA Monterrey | 2019/03/30 20:20 | Valeria Savinykh v Kristie Ahn | 3-6,5-7 |
| WTA Indian Wells | 2019/02/28 19:10 | Kristyna Pliskova v Kristie Ahn | 6-1,7-6 |
| WTA Indian Wells | 2019/02/27 20:15 | Kristie Ahn v Sorana Cirstea | 7-6,3-6,6-3 |
| ITF W25 Osaka | 2019/04/11 02:45 | Risa Ozaki v Erika Sema | 5-7,6-7 |
| ITF W25 Osaka | 2019/04/09 01:00 | Risa Ozaki v Mei Yamaguchi | 6-4,4-6,6-2 |
| ITF W25 Kashiwa | 2019/04/02 05:10 | Risa Ozaki v Daria Snigur | 6-0,3-6,4-6 |
| ITF W25 Canberra | 2019/03/27 00:00 | Risa Ozaki v Alison Bai | 2-6,4-6 |
| ITF W25 Canberra | 2019/03/24 00:00 | Risa Ozaki v Destanee Aiava | 2-6,2-6 |
| ITF W25 Canberra | 2019/03/23 01:40 | Risa Ozaki v Eri Hozumi | 6-2,7-5 |
| ITF W25 Canberra | 2019/03/22 00:50 | Risa Ozaki v Maddison Inglis | 6-7,7-6,7-5 |
| ITF W25 Canberra | 2019/03/20 23:00 | Irina Maria Bara v Risa Ozaki | 6-7,2-6 |