Stadium: Centre Court Round: 54 Ground: Hardcourt outdoor
| ITF W15 Hua Hin | 2019/10/07 03:00 | Pichapak Sirikul v Yu-Ting Hsieh | 2-6,0-6 |
| ITF W15 Hua Hin | 2019/07/08 04:35 | Pichapak Sirikul v Robu Kajitani | 0-6,0-6 |
| ITF W15 Hua Hin | 2019/07/01 03:00 | Eun Se Jang v Pichapak Sirikul | 6-0,6-0 |
| ITF W25 Makinohara | 2019/10/07 03:30 | Mami Hasegawa v Ikumi Yamazaki | 6-3,7-6 |
| ITF W25 Kyoto | 2019/09/02 02:00 | Chisa Hosonuma v Ikumi Yamazaki | 3-6,6-3,10-8 |
| ITF W25 Nanao | 2019/08/26 02:25 | Misaki Matsuda v Ikumi Yamazaki | 7-6,3-6,10-5 |
| ITF W15 Gimcheon | 2019/06/17 02:55 | Ikumi Yamazaki v Jiho Shin | 2-6,3-6 |
| ITF W25 Karuizawa | 2019/05/20 01:00 | Ikumi Yamazaki v Misaki Matsuda | 4-6,3-6 |
| ITF W15 Cairo | 2019/04/25 08:00 | Ikumi Yamazaki v Charlotte Roemer | 2-6,4-6 |
| ITF W15 Cairo | 2019/04/24 10:35 | Aya El Sayed v Ikumi Yamazaki | 4-6,4-6 |
| ITF W15 Cairo | 2019/04/22 08:00 | Chanel Janssen v Ikumi Yamazaki | 3-6,2-6 |