Yunseong Chung 2-6,7-6,4-6 Jason Jung 2018-02-27 02:25
Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
Home History
| Challenger Yokohama Qual | 2018/02/26 04:05 | Makoto Ochi v Yunseong Chung | 3-6,6-1,1-6 |
| Challenger Yokohama Qual | 2018/02/25 02:35 | Yunseong Chung v Takuto Niki | 6-7,6-3,6-3 |
| Challenger Yokohama Qual | 2018/02/24 05:05 | Masato Shiga v Yunseong Chung | 0-6,5-7 |
| ITF Spain F4 | 2018/02/08 11:00 | Ivan Gakhov v Yunseong Chung | 6-4,6-4 |
| ITF Spain F3 | 2018/01/30 13:40 | Daniel Gimeno-Traver v Yunseong Chung | 6-4,6-1 |
| ITF Spain F2 | 2018/01/27 10:00 | Yunseong Chung v Daniel Munoz-De La Nava | 3-6,4-6 |
| ITF Spain F2 | 2018/01/26 13:00 | Joao Monteiro v Yunseong Chung | 7-6,5-7,3-6 |
| ITF Spain F2 | 2018/01/25 09:00 | Yunseong Chung v Evgeny Tyurnev | 6-4,2-6,6-3 |
Away History
| Challenger San Francisco | 2018/02/12 00:00 | Dominik Koepfer v Jason Jung | 4-6,6-2,6-7 |
| Challenger San Francisco | 2018/02/11 03:00 | Miomir Kecmanovic v Jason Jung | 6-7,6-4,2-6 |
| Challenger San Francisco | 2018/02/10 06:00 | Noah Rubin v Jason Jung | 3-6,1-6 |
| Challenger San Francisco | 2018/02/09 04:20 | Jason Jung v Mackenzie McDonald | 1-6,7-6,6-2 |
| Challenger San Francisco | 2018/02/07 00:30 | Inigo C Huegun v Jason Jung | 2-6,0-6 |
| Challenger Dallas | 2018/02/02 21:00 | Kei Nishikori v Jason Jung | 6-4,6-4 |
| Challenger San Francisco | 2018/02/01 20:30 | Miomir Kecmanovic v Jason Jung | 1-6,1-6 |
| Challenger Dallas | 2018/01/31 16:30 | Jared Hiltzik v Jason Jung | 6-4,1-6,4-6 |