| Weltmeisterschaft - Frauen | 04/18 03:50 | 4 | I-Ching Cheng v Cheonhui Joo | L | 4-1 | |
| Weltmeisterschaft - Frauen | 04/17 06:30 | - | Cheonhui Joo v Bruna Takahashi | D | 2-2 | |
| Weltmeisterschaft - Frauen | 04/15 05:10 | - | Cheonhui Joo v Sarah Hanffou | W | 4-0 | |
| WTT Champions Incheon - Frauen | 03/28 10:35 | 5 | Miwa Harimoto v Cheonhui Joo | L | 3-1 | |
| Singapore Smash - Frauen | 03/14 11:00 | 4 | Cheonhui Joo v Meng Chen | L | 1-3 | |
| Singapore Smash - Frauen | 03/12 07:15 | 5 | Cheonhui Joo v Sabine Winter | W | 3-1 | |
| Singapore Smash - Frauen | 03/10 07:40 | 6 | Cheonhui Joo v Margaryta Pesotska | W | 3-1 | |
| WTT Star Contender - Goa - Frauen | 01/27 14:25 | 3 | Cheonhui Joo v Nina Mittelham | L | 0-3 | |
| WTT Star Contender - Goa - Frauen | 01/27 07:30 | 4 | Cheonhui Joo v Eunhye Lee | W | 3-1 | |
| WTT Star Contender - Goa - Frauen | 01/26 13:15 | 5 | Cheonhui Joo v Fu Yu | W | 3-0 | |
| WTT Contender - Doha - Damen | 01/18 12:20 | 4 | Cheonhui Joo v Nayeong Kim | L | 2-3 | |
| WTT Contender - Doha - Damen | 01/17 13:15 | 5 | Cheonhui Joo v Georgina Pota | W | 3-1 |