| Akita Masters 2019, MD | 08/14 01:00 | 5 | Mitsuhashi K / Ogura Y v Lee Y D / Yoo Y S | - | Walkover | |
| Russia Open 2019, MD | 07/20 03:00 | 2 | Boe M / Conrad-Petersen M v Lee Y D / Yoo Y S | L | 2-1 | |
| Russia Open 2019, MD | 07/19 03:40 | 3 | Lee Y D / Yoo Y S v Oshima K / Tsukamoto Y | W | 2-0 | |
| Russia Open 2019, MD | 07/18 06:00 | 4 | Lee Y D / Yoo Y S v Garaga K P / Kapila D | W | 2-0 | |
| US Open 2019, MD | 07/13 22:00 | 2 | Lee Y D / Yoo Y S v Lee / Wang | L | 1-2 | |
| US Open 2019, MD | 07/13 05:00 | 3 | Lee/Yang v Lee Y D / Yoo Y S | W | 1-2 | |
| US Open 2019, MD | 07/12 01:45 | 4 | Boe M / Conrad-Petersen M v Lee Y D / Yoo Y S | W | 0-2 | |
| US Open 2019, MD | 07/10 16:00 | 5 | Lee Y D / Yoo Y S v Attri / Reddy | W | CANC | |
| Canada Open MD | 07/04 21:45 | 4 | Lee/Yang v Lee Y D / Yoo Y S | L | 2-0 | |
| Canada Open MD | 07/03 19:00 | 5 | Hoshino S / Nishikawa Y v Lee Y D / Yoo Y S | W | 1-2 | |
| Australian Open MD | 06/05 09:40 | 5 | Lee Y D / Yoo Y S v A. Pangk. / Santoso | L | 1-2 | |
| Australian Open MD Qual | 06/04 01:55 | - | Defolky/Tam v Lee Y D / Yoo Y S | W | 0-2 |