Yosuke Watanuki 7-5,6-2 Ji Sung Nam 2018-04-30 03:00
Stadium: Center Court Round: 54
Home History
| Challenger Seoul Qual | 2018/04/29 03:10 | Yosuke Watanuki v Thomas Fancutt | 6-3,6-0 |
| Challenger Taipei Qual | 2018/04/08 06:10 | Yosuke Watanuki v Aliaksandr Bury | 4-6,2-6 |
| ITF Japan F4 | 2018/04/01 02:00 | Renta Tokuda v Yosuke Watanuki | 5-7,1-6 |
| ITF Japan F4 | 2018/03/31 02:30 | Yosuke Watanuki v Ryota Tanuma | 6-4,6-3 |
| ITF Japan F4 | 2018/03/30 03:30 | Sho Katayama v Yosuke Watanuki | 4-6,4-6 |
| ITF Japan F4 | 2018/03/29 04:20 | Tung-Lin Wu v Yosuke Watanuki | 4-6,7-5,6-7 |
| Challenger Yokohama | 2018/02/27 05:35 | Daniel Nguyen v Yosuke Watanuki | 6-2,6-4 |
| Challenger Kyoto | 2018/02/19 04:50 | Go Soeda v Yosuke Watanuki | 7-6,0-6,7-6 |
Away History
| Challenger Seoul Qual | 2018/04/29 03:35 | Ji Sung Nam v Blake Ellis | 6-3,6-3 |
| Challenger Seoul Qual | 2018/04/28 01:30 | Daniel Yoo v Ji Sung Nam | 2-6,2-6 |
| ITF Turkey F5 | 2018/02/06 08:30 | Ji Hoon Son v Ji Sung Nam | 4-6,7-6,6-1 |
| ITF Turkey F5 | 2018/02/05 07:30 | Ji Sung Nam v Yuichiro Inui | 7-5,6-0 |
| ITF Turkey F5 | 2018/02/04 07:30 | Ji Sung Nam v Ki Su Jung | 7-6,6-3 |
| ITF Turkey F4 | 2018/01/29 08:00 | Ji Sung Nam v Dan Dowson | 7-5,6-7,4-6 |
| ITF Turkey F4 | 2018/01/28 07:30 | Ji Sung Nam v Sorin Andrei Iordache | 6-2,6-4 |
| ITF Thailand F12 | 2017/12/14 03:30 | Renta Tokuda v Ji Sung Nam | 6-3,6-2 |