| Korea Masters - Frauen | 2019/11/21 06:30 | Joo I Jeon v Yiman Zhang | L | 1-2 |
| Korea Masters - Frauen | 2019/11/20 06:30 | Joo I Jeon v Ayumi Mine | W | 2-0 |
| Indonesien International - Damen | 2019/10/25 09:20 | Asuka Takahashi v Joo I Jeon | L | 2-0 |
| Indonesien International - Damen | 2019/10/24 08:20 | Sri Fatmawati v Joo I Jeon | W | 0-2 |
| Indonesien International - Damen | 2019/10/23 09:20 | Airah Mae Nicole Aldo v Joo I Jeon | W | 0-2 |
| Korea Open - Damen | 2019/09/25 02:50 | Joo I Jeon v Aya Ohori | L | 0-2 |
| Korea Open - Damen - Qualifikation | 2019/09/24 03:00 | Pui Yin Yip v Joo I Jeon | W | 0-2 |
| New Zealand Open - Damen | 2019/04/30 23:00 | Yun Li v Joo I Jeon | L | 2-1 |
| Sudirman Cup - Damen | 2021/09/30 07:30 | Ann-Kathrin Spori v Chloe Segrestan | L | 2-0 |