| Olimpiadi 2020 - DX 2020 | 07/25 02:00 | 3 | Ju/Cheng v Lee/Jeon | L | 4-2 | |
| Olimpiadi 2020 - DX 2020 | 07/24 03:00 | 4 | Assar/Meshref v Lee/Jeon | W | 1-4 | |
| WTT Star Contender Doha DX | 03/13 08:20 | 1 | Jeon/Lee v Cheng/Lin | L | 1-3 | |
| WTT Star Contender Doha DX | 03/12 16:00 | 1 | Mizutani/Ito v Jeon/Lee | W | 1-3 | |
| WTT Star Contender Doha DX | 03/11 17:20 | 1 | Pavade/Flore v Jeon/Lee | W | 0-3 | |
| WTT Star Contender Doha DX | 03/08 15:40 | 1 | Stoyanov/Piccolin v Jeon/Lee | W | 0-3 | |
| WTT Contender Doha DX | 03/05 17:00 | 1 | Jeon/Lee v Lebesson/Nan Yuan | L | 2-3 | |
| WTT Contender Doha DX | 03/05 07:15 | 1 | Robles/Xiao v Jeon/Lee | W | 0-3 | |
| WTT Contender Doha DX | 03/04 16:20 | 1 | Tailakova/Sidorenko v Jeon/Lee | W | 2-3 | |
| Open d'Austria DX | 11/15 09:00 | 3 | Cho/Shin v Lee/Jeon | L | 3-2 | |
| Open d'Austria DX | 11/14 09:00 | 4 | Franziska/Solja v Lee/Jeon | W | 0-3 | |
| Open di Germania DX | 10/11 08:00 | 4 | Lee/Jeon v Lin/Cheng | L | 0-3 |