Seong Chan Hong 6-1,4-6,6-4 Naoki Tajima 2018-03-19 06:00
Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
Home History
| ITF Japan F2 | 2018/03/16 03:35 | Kaichi Uchida v Seong Chan Hong | 7-6,1-6,7-6 |
| ITF Japan F2 | 2018/03/15 01:00 | Yunosuke Tanaka v Seong Chan Hong | 3-6,3-6 |
| ITF Japan F2 | 2018/03/12 02:30 | Seong Chan Hong v Shuichi Sekiguchi | 6-4,1-6,7-6 |
| Davis Cup | 2018/02/02 07:40 | Aqeel Khan v Seong Chan Hong | 4-6,7-5,7-5 |
| Challenger Gwangju | 2017/09/19 06:35 | Seong Chan Hong v Luke Saville | 6-2,4-6,6-7 |
| ITF Korea F5 | 2017/06/30 02:00 | Seong Chan Hong v Young Seok Kim | 6-7,4-6 |
| ITF Korea F5 | 2017/06/29 01:30 | Seong Chan Hong v Jung-Woong Na | 6-4,2-6,7-6 |
| ITF Korea F5 | 2017/06/28 01:00 | Seong Chan Hong v Dong-Hak Sin | 7-5,6-3 |
Away History
| ITF Japan F5 | 2017/04/04 02:30 | Naoki Tajima v Toshihide Matsui | 6-1,4-6,3-6 |
| ITF Japan F5 | 2017/04/02 01:00 | Hiromasa Oku v Naoki Tajima | 1-6,0-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Yuichiro Inui v Naoki Tajima | 4-6,0-6 |
| ITF Japan F4 | 2017/03/29 05:40 | Naoki Tajima v Yusuke Takahashi | 6-3,1-6,4-6 |
| Challenger Kyoto Qual | 2017/02/18 04:20 | Evgeny Karlovskiy v Naoki Tajima | 6-3,6-1 |
| ITF Japan F1 | 2016/03/05 03:00 | Tung-Lin Wu v Naoki Tajima | 6-4,5-7,6-4 |