Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Incheon | 2019/05/27 03:10 | Pei-Chi Lee v Hong, Seung-Yeon | 6-3,4-6,10-7 |
| ITF W25 Goyang | 2019/05/21 02:15 | Hong, Seung-Yeon v Yeon Woo Ku | 0-6,2-6 |
| ITF W25 Goyang | 2019/05/20 05:05 | Jeong, Sunam v Hong, Seung-Yeon | 6-2,3-6,2-10 |
| ITF Women Yeongwol | 2018/09/06 03:00 | Hong, Seung-Yeon v Jeong, Sunam | 4-6,3-6 |
| ITF Women Yeongwol | 2018/09/05 03:10 | Lee, SE Jin v Hong, Seung-Yeon | 3-6,3-6 |
| ITF Women Gimcheon | 2018/08/17 01:00 | Hong, Seung-Yeon v Joanna Garland | 5-7,1-6 |
| ITF Women Gimcheon | 2018/08/16 01:00 | Hong, Seung-Yeon v Jeong, Yeong Won | 7-5,6-4 |
| ITF Women Gimcheon | 2018/08/15 03:00 | Hong, Seung-Yeon v Kamiyoshihara, Ai | 6-3,6-0 |
| Perth, Qualifications Simples W-ITF-AUS-05A | 2019/02/21 03:10 | Yoshitomi, Aiko v Berezov, Anastasia | 6-7,4-6 |
| Perth, Qualifications Simples W-ITF-AUS-05A | 2019/02/19 03:30 | Yoshitomi, Aiko v Giorgie Jones | 6-2,6-4 |
| ITF - W15 Sharm El Sheikh | 2019/01/30 08:00 | Ponomar, Lisa v Yoshitomi, Aiko | 4-6,6-2,6-3 |
| ITF - W15 Sharm El Sheikh | 2019/01/23 08:00 | Yoshitomi, Aiko v Sherif, M. | 3-6,4-6 |
| ITF Women Toowoomba | 2018/10/08 05:00 | Marine Partaud v Yoshitomi, Aiko | 6-0,6-2 |
| ITF Women Toowoomba | 2018/10/08 01:30 | Bozicevic, Isabella v Yoshitomi, Aiko | 3-6,1-6 |
| ITF Women Toowoomba | 2018/10/07 00:30 | Khabibulina, Albina v Yoshitomi, Aiko | 5-7,4-6 |
| ITF Women Brisbane | 2018/09/30 05:00 | Routliffe, Erin v Yoshitomi, Aiko | 6-1,6-2 |