 South Korea: Gwangju - Doubles - Main |
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| 1/8-finals | Kim Y./Lee T. | Jang W. H./Yoo D. | 2:0 (6:4, 7:67) | details | 18.09.2017 |
| South Korea: Gimcheon - Doubles - Main |
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| 1/8-finals | Nam H./Yoo D. | Saville L./Whittington A. | 1:2 (4:6, 7:65, 7:10) | details | 18.07.2016 |
| South Korea: Gwangju - Doubles - Main |
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| 1/8-finals | Nedunchezhiyan J./Nguyen D. | Chung H./Yoo D. | 2:0 (6:0, 7:64) | details | 12.04.2016 |
 China: Chengdu - Doubles - Main |
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| 1/8-finals | Malik V./Yoo D. | Niki T./Onozawa A. | 1:2 (7:5, 4:6, 9:11) | details | 17.04.2012 |
| China: Mengzi - Doubles - Main |
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| Quarter-finals | Gao W./Yoo D. | Feng H./Xue F. | 1:2 (7:6, 3:6, 7:10) | details | 08.02.2012 |
| 1/8-finals | Gao W./Yoo D. | Lu Y./Wang Y. | 2:0 (6:4, 6:3) | details | 07.02.2012 |
 USA: Weston - Doubles - Main |
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| 1/8-finals | Kosakowski D./Novikov D. | Ehara H./Yoo D. | 2:1 (6:3, 4:6, 13:11) | details | 24.01.2012 |
| USA: Sunrise - Doubles - Main |
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| Quarter-finals | Gonzales R./Kwon C. | Ehara H./Yoo D. | 2:1 (3:6, 6:3, 11:9) | details | 18.01.2012 |
| 1/8-finals | Ehara H./Yoo D. | Lewis H./Rolle M. | 2:0 (6:4, 6:2) | details | 17.01.2012 |
| USA: Plantation - Doubles - Main |
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| Quarter-finals | Ianni S./Yoo D. | Monroe N./Sock J. | 0:2 (1:6, 4:6) | details | 11.01.2012 |
| 1/8-finals | Ianni S./Yoo D. | Ortiz J. P./Urrutia Fuentes L. | 2:1 (6:4, 64:7, 10:6) | details | 10.01.2012 |
 Japan: Toyota - Doubles - Main |
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| 1/8-finals | Jun W./Yoo D. | Matsui T./Udomchoke D. | 0:2 (2:6, 2:6) | details | 22.11.2011 |
 Thailand: Phuket 2 - Doubles - Main |
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| Quarter-finals | Doakmaiklee W./Siributwong K. | Oh S./Yoo D. | 2:1 (2:6, 6:2, 10:1) | details | 09.11.2011 |
| 1/8-finals | Korkiatthaworn W./Prahmanee G. | Oh S./Yoo D. | 1:2 (1:6, 6:4, 3:10) | details | 08.11.2011 |
| China: Ningbo - Doubles - Main |
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| 1/8-finals | Gong M./Zhang Z. | Kim C./Yoo D. | 2:0 (7:6, 6:2) | details | 13.09.2011 |
Mexico: Leon - Singles - Main