| Kumamoto Masters Quals | 11/12 05:20 | - |
Minoru Koga
v
Yun Gyu Lee 
|
L | 2-0 | |
| Kumamoto Masters Quals | 11/12 00:00 | 7 |
Yin Chak Chan
v
Yun Gyu Lee
|
W | 1-2 | |
| Korea Masters | 11/06 05:05 | 5 |
Yun Gyu Lee v
Ping-Hsien Huang
|
L | 1-2 | |
| Indonesia Masters | 08/29 05:05 | 4 |
Yun Gyu Lee v
Riku Hatano
|
L | 0-2 | |
| Indonesia Masters | 08/28 05:55 | 5 |
Yun Gyu Lee v
Jia Wei Joel Koh
|
W | 2-0 | |
| Indonesia Masters | 08/27 02:40 | 7 |
Min Seon Jeong
v
Yun Gyu Lee
|
- | Walkover | |
| Thomas Cup | 04/30 09:40 | - |
Shi Feng Li
v
Yun Gyu Lee
|
L | 2-0 | |
| Thomas Cup | 04/28 06:20 | - |
Yun Gyu Lee v
Jack Yu
|
W | 2-0 | |
| Korea Masters Qual | 11/07 01:00 | 4 |
Wan Ho Son
v
Yun Gyu Lee
|
D | Retired | |
| KL Masters | 11/02 06:35 | 4 |
Chia Hao Lee
v
Yun Gyu Lee
|
L | 2-0 | |
| KL Masters | 11/01 06:00 | 5 |
Adham H Elgamal
v
Yun Gyu Lee
|
W | 0-2 | |
| KL Masters | 11/01 05:00 | - |
Adham H Elgamal
v
Yun Gyu Lee
|
W | 0-2 | |
| KL Masters | 10/31 10:35 | 6 |
Yun Gyu Lee v
Keith Mark Edison
|
W | 2-0 | |
| Korea Open | 07/19 10:45 | 5 |
Yun Gyu Lee v
Cheuk Yiu Lee
|
L | 0-2 | |
| Korea Open Qual | 07/18 04:00 | - |
Yun Gyu Lee v
Kah Kit Kan
|
W | 2-0 | |
| Korea Open Qual | 07/18 01:00 | - |
Geonyeop Cho
v
Yun Gyu Lee
|
W | 1-2 | |
| Sudirman Cup | 05/21 07:20 | - |
Yu Qi Shi
v
Yun Gyu Lee
|
L | 2-0 | |
| Sudirman Cup | 05/19 02:55 | - |
Tien Chen Chou
v
Yun Gyu Lee
|
L | 2-0 | |
| Sudirman Cup | 05/14 02:20 | - |
Yun Gyu Lee v
Christo Popov
|
L | 0-2 | |
| Indonesia Masters | 10/18 11:00 | 6 |
Jia Heng Jason Teh
v
Yun Gyu Lee
|
L | 2-0 | |
| Thomas Cup | 05/12 13:20 | - |
Yun Gyu Lee v
Rasmus Gemke
|
L | 0-2 | |
| Thomas Cup | 05/11 08:20 | - |
Syabda Perkasa Belawa
v
Yun Gyu Lee
|
L | 2-1 | |
| Thomas Cup | 05/09 13:20 | - |
Yun Gyu Lee v
Jia Wei Joel Koh
|
L | 1-2 | |
| Thomas Cup | 05/08 13:20 | - |
Yun Gyu Lee v
Sitthikom Thammasin
|
L | 0-2 | |
| Korea Masters | 04/13 03:40 | 5 |
Victor Svendsen
v
Yun Gyu Lee
|
L | 2-1 | |
| Swiss Open WD Qual | 11/27 01:00 | - |
Mathew Fogarty
v
Yun Gyu Lee
|
L | 1-0 | |
| Swiss Open WD Qual | 09/25 02:47 | - |
Yun Gyu Lee v
Yu Hsien Lin
|
L | 0-2 | |
| Giraldilla Int. XD | 09/05 06:05 | 5 |
Sourabh Verma
v
Yun Gyu Lee
|
L | 2-0 | |
| Giraldilla Int. XD | 09/04 13:30 | 6 |
Yun Gyu Lee v
Kartik Jindal
|
W | 2-0 |