 South Korea: Yeongwol - Singles - Main |
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| 1/16-finals | Lopez-Perez E. | Jeong S. | 2:0 (6:3, 6:3) | details | 05.11.2013 |
 Thailand: Bangkok - Singles - Main |
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| 1/16-finals | Jeong S. | Istomin D. | 0:2 (3:6, 0:6) | details | 25.09.2013 |
 Taiwan: Kaohsiung - Singles - Main |
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| 1/8-finals | Jeong S. | Ebden M. | 0:2 (3:6, 2:6) | details | 18.09.2013 |
| 1/16-finals | Peng H. | Jeong S. | 0:2 (3:6, 63:7) | details | 16.09.2013 |
 China: Shanghai - Singles - Main |
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| 1/16-finals | Jeong S. | Ito T. | 1:2 (7:5, 60:7, 2:6) | details | 03.09.2013 |
| Thailand: Bangkok - Singles - Main |
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| Final | Kavcic B. | Jeong S. | 2:0 (6:3, 6:1) | details | 01.09.2013 |
| Semi-finals | Jeong S. | Ebden M. | 1:1 RET. (7:67, 3:6, 5:4) | details | 31.08.2013 |
| Quarter-finals | Jeong S. | Sugita Y. | 2:0 (6:1, 6:3) | details | 30.08.2013 |
| 1/8-finals | Mitchell B. | Jeong S. | 0:2 (2:6, 1:6) | details | 29.08.2013 |
| 1/16-finals | Jeong S. | Sornbutnark W. | 2:0 (6:2, 6:2) | details | 27.08.2013 |
 Russia: Kazan - Singles - Main |
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| 1/16-finals | Klec I. | Jeong S. | 2:1 (6:4, 3:6, 6:1) | details | 13.08.2013 |
| South Korea: Busan - Singles - Main |
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| 1/8-finals | Jeong S. | Zhang Z. | 0:2 (3:6, 2:6) | details | 15.05.2013 |
| 1/16-finals | Jeong S. | Chung H. | 2:1 (61:7, 6:3, 6:1) | details | 14.05.2013 |
 Uzbekistan: Karshi - Singles - Main |
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| 1/8-finals | Jeong S. | Chen T. | 0:2 (5:7, 1:6) | details | 08.05.2013 |
| 1/16-finals | Androic T. | Jeong S. | 1:2 (4:6, 6:3, 63:7) | details | 07.05.2013 |
 USA: Tallahassee - Singles - Main |
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| 1/8-finals | Jeong S. | Stebe C. | 1:2 (6:4, 3:6, 0:6) | details | 01.05.2013 |
| 1/16-finals | Russell M. | Jeong S. | 0:2 (66:7, 3:6) | details | 30.04.2013 |
| USA: Sarasota - Singles - Main |
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| 1/16-finals | Zhang Z. | Jeong S. | 2:0 (6:2, 6:2) | details | 16.04.2013 |
 World: Davis Cup Group I - Singles - Main |
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| | Soeda G. | Jeong S. | CAN. | details | 07.04.2013 |
| | Ito T. | Jeong S. | 3:0 (6:1, 6:4, 6:4) | details | 05.04.2013 |
 Japan: Kyoto - Singles - Main |
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| 1/16-finals | Groth S. | Jeong S. | 2:0 (7:65, 6:4) | details | 06.03.2013 |
 Australia: Sydney - Singles - Main |
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| 1/8-finals | Jeong S. | Groth S. | 0:2 (1:6, 2:6) | details | 27.02.2013 |
| 1/16-finals | Jeong S. | Bolt A. | 2:0 (6:2, 6:2) | details | 26.02.2013 |
| Australia: West Lakes - Adelaide - Singles - Main |
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| 1/8-finals | Jeong S. | Kyrgios N. | 0:2 (2:6, 0:6) | details | 07.02.2013 |
| 1/16-finals | Jeong S. | Mitchell B. | 2:0 (6:3, 6:4) | details | 06.02.2013 |
| World: Davis Cup Group I - Singles - Main |
|---|
| | Virali-Murugesan R. | Jeong S. | 0:3 (4:6, 4:6, 2:6) | details | 03.02.2013 |
| | Malik V. | Jeong S. | 0:2 RET. (4:6, 5:7, 0:3) | details | 01.02.2013 |
| USA: Maui - Hawaii - Singles - Main |
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| 1/8-finals | Jeong S. | Zverev M. | 0:2 (4:6, 0:6) | details | 25.01.2013 |
| 1/16-finals | Niki T. | Jeong S. | 1:2 (5:7, 7:63, 4:6) | details | 24.01.2013 |
 South Africa: Potchefstroom - Singles - Main |
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| 1/16-finals | Weinhandl L. | Jeong S. | 2:0 (6:0, 6:2) | details | 04.12.2012 |
 Indonesia: Jakarta 3 - Singles - Main |
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| Final | Jeong S. | Rungkat C. | 0:2 (4:6, 5:7) | details | 02.12.2012 |
| Semi-finals | Klein B. | Jeong S. | 0:2 (6:7, 1:6) | details | 01.12.2012 |
| Quarter-finals | Jeong S. | Hendrawan I. | 2:0 (6:1, 6:1) | details | 30.11.2012 |
| 1/8-finals | Jeong S. | Chung H. | 2:0 (6:0, 6:4) | details | 29.11.2012 |
| 1/16-finals | Jeong S. | Soemarno A. C. | 2:0 (6:2, 6:0) | details | 27.11.2012 |
| Japan: Toyota - Singles - Main |
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| 1/16-finals | Kondo H. | Jeong S. | 2:0 (6:4, 6:4) | details | 20.11.2012 |
| USA: Champaign - Singles - Main |
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| 1/16-finals | Smith J. P. | Jeong S. | 2:0 (6:3, 6:3) | details | 12.11.2012 |
| USA: Knoxville - Singles - Main |
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| 1/16-finals | Jeong S. | Sweeting R. | 0:2 (5:7, 3:6) | details | 07.11.2012 |