| Indonesia Int. Women | 2019/10/25 09:20 | Asuka Takahashi v Joo I Jeon | L | 2-0 |
| Indonesia Int. Women | 2019/10/24 08:20 | Sri Fatmawati v Joo I Jeon | W | 0-2 |
| Indonesia Int. Women | 2019/10/23 09:20 | Airah Mae Nicole Aldo v Joo I Jeon | W | 0-2 |
| Korean Open Women | 2019/09/25 02:50 | Joo I Jeon v Aya Ohori | L | 0-2 |
| Korea Open - ženy - kvalifikace | 2019/09/24 03:00 | Pui Yin Yip v Joo I Jeon | W | 0-2 |
| New Zealand Open Women | 2019/04/30 23:00 | Yun Li v Joo I Jeon | L | 2-1 |
| China Masters Women | 2019/03/15 12:30 | Joo I Jeon v Hyo Min Kim | L | 0-2 |
| China Masters Women | 2019/03/14 07:40 | Hui Zhen Grace Chua v Joo I Jeon | W | 0-2 |
| Vietnam Open - ženy | 2019/09/12 05:20 | Ayumi Mine v Shuting Ji | L | 0-2 |
| Vietnam Open - ženy | 2019/09/11 02:20 | Ayumi Mine v Chananchida Jucharoen | W | 2-0 |
| Chinese Taipei Open Women | 2019/09/05 04:00 | Ji Hyun Sung v Ayumi Mine | L | 2-1 |
| Chinese Taipei Open Women | 2019/09/04 02:40 | Ayumi Mine v Yulia Y Susanto | W | 2-0 |
| Akita Masters Women | 2019/08/14 07:20 | Natsumi Shimoda v Ayumi Mine | L | 2-1 |
| US Open - ženy | 2019/07/13 21:10 | Ayumi Mine v Zhiyi Wang | L | 0-2 |
| US Open - ženy | 2019/07/13 00:50 | Ayumi Mine v Yujin Sim | W | 2-1 |
| US Open - ženy | 2019/07/11 22:00 | Su Yu Chen v Ayumi Mine | W | 0-2 |