| Giraldilla International DX | 2018/05/09 05:30 | Chananchida Jucharoen v Joo I Jeon | W | 0-2 |
| Giraldilla International DX | 2018/05/02 06:50 | Sayaka Takahashi v Joo I Jeon | L | 2-0 |
| Masters d'Indonesia DX | 2018/04/25 02:40 | Tzu Ying Tai v Joo I Jeon | L | 2-0 |
| Open di Svizzera DF - Qual. | 2018/04/24 02:40 | Thilini Pramodika Hendahewa v Joo I Jeon | W | 0-2 |
| China Masters Women | 2018/04/12 08:30 | Joo I Jeon v Zhiyi Wang | L | 0-2 |
| China Masters Women | 2018/04/11 04:00 | Meng Zhou v Joo I Jeon | W | 0-2 |
| Giraldilla International DX | 2018/04/05 03:20 | Joo I Jeon v Yukino Nakai | L | 0-2 |
| Masters d'Indonesia DX | 2017/11/29 07:10 | Joo I Jeon v Byeol Lim Lee | L | 1-2 |
| Giraldilla International DX | 2018/05/09 00:10 | Ksenia Polikarpova v Minatsu Mitani | W | 0-2 |
| Giraldilla International DX | 2018/05/05 03:56 | Sayaka Takahashi v Minatsu Mitani | L | 2-1 |
| Giraldilla International DX | 2018/05/05 02:00 | Sayaka Takahashi v Minatsu Mitani | L | 2-1 |
| Giraldilla International DX | 2018/05/04 05:10 | Minatsu Mitani v Haruko Suzuki | W | 2-0 |
| Giraldilla International DX | 2018/05/03 04:50 | Minatsu Mitani v Ga Eun Kim | W | 2-0 |
| Giraldilla International DX | 2018/05/02 04:10 | Minatsu Mitani v Yulia Y Susanto | W | 2-0 |
| Giraldilla International DX | 2018/04/07 05:05 | Ayumi Mine v Minatsu Mitani | L | 2-1 |
| Open di Svizzera DF - Qual. | 2018/04/07 04:00 | Ayumi Mine v Minatsu Mitani | L | 2-1 |