Stadium: Court 16 Round: 26 Ground: Hardcourt outdoor
| ITF W15 Gimcheon | 2019/06/19 01:00 | Ayumi Koshiishi v Honoka Kobayashi | 4-6,6-4,6-4 |
| ITF W15 Gimcheon | 2019/06/14 02:00 | Ayumi Koshiishi v Misaki Matsuda | 5-7,7-6,3-6 |
| ITF W15 Gimcheon | 2019/06/13 01:30 | Ayumi Koshiishi v Shou Na Mu | 7-5,6-3 |
| ITF W15 Gimcheon | 2019/06/12 01:00 | Ayumi Koshiishi v Dayeon Back | 7-5,6-2 |
| ITF W25 Daegu | 2019/06/04 01:00 | Ayumi Koshiishi v So-Ra Lee | 7-5,6-2 |
| ITF W25 Luzhou | 2019/05/28 06:15 | Ayumi Koshiishi v Jessica Ho | 3-6,1-6 |
| ITF W25 Luzhou | 2019/05/28 02:00 | Ayumi Koshiishi v WanNing Zhu | 6-0,6-1 |
| ITF W25 Goyang | 2019/05/21 01:00 | Chang Liu v Ayumi Koshiishi | 6-3,4-6,10-8 |
| ITF W15 Gimcheon | 2019/06/19 02:45 | Sunam Jeong v Dayeon Back | 7-6,6-4 |
| ITF W15 Gimcheon | 2019/06/15 04:10 | Eunhye Lee v Sunam Jeong | 2-6,6-4,6-4 |
| ITF W15 Gimcheon | 2019/06/14 05:10 | So-Ra Lee v Sunam Jeong | 0-6,5-7 |
| ITF W15 Gimcheon | 2019/06/13 03:25 | Da Hye Kim v Sunam Jeong | 3-6,1-6 |
| ITF W15 Gimcheon | 2019/06/11 04:30 | Aiko Yoshitomi v Sunam Jeong | 2-6,1-6 |
| ITF W25 Daegu | 2019/06/08 01:00 | Sunam Jeong v Haruna Arakawa | 1-6,5-7 |
| ITF W25 Daegu | 2019/06/06 02:00 | Chanel Simmonds v Sunam Jeong | 2-6,1-6 |
| ITF W25 Daegu | 2019/06/05 02:30 | Ramu Ueda v Sunam Jeong | 1-6,2-6 |