Kei Nishikori 7-6,6-3 Dominik Koepfer 2018-02-02 01:00
Stadium: Stadium Round: 27 Ground: Hardcourt indoor
Home History
| Challenger Dallas | 2018/02/01 01:00 | Kei Nishikori v Matthias Bachinger | 4-6,6-4,6-4 |
| Challenger Dallas | 2018/01/29 22:15 | Kei Nishikori v Dennis Novikov | 6-3,6-3 |
| Challenger Newport Beach | 2018/01/23 20:50 | Kei Nishikori v Dennis Novikov | 3-6,6-3,4-6 |
| ATP Montreal | 2017/08/09 16:30 | Kei Nishikori v Gael Monfils | 7-6,5-7,6-7 |
| ATP Washington | 2017/08/05 23:00 | Alexander Zverev v Kei Nishikori | 6-3,6-4 |
| ATP Washington | 2017/08/05 00:25 | Tommy Paul v Kei Nishikori | 6-3,6-7,4-6 |
| ATP Washington | 2017/08/04 04:05 | Juan Martin Del Potro v Kei Nishikori | 4-6,5-7 |
| ATP Washington | 2017/08/02 03:25 | Donald Young v Kei Nishikori | 3-6,6-4,6-7 |
Away History
| Challenger Dallas | 2018/01/31 18:20 | Dominik Koepfer v Goncalo Oliveira | 6-0,7-5 |
| Challenger Dallas | 2018/01/30 19:55 | Francesco Ferrari v Dominik Koepfer | 7-6,2-6,2-6 |
| Challenger Dallas Qual | 2018/01/29 16:00 | Dominik Koepfer v Jared Hiltzik | 6-7,6-3,2-6 |
| Challenger Dallas Qual | 2018/01/28 18:15 | Dominik Koepfer v Nick Chappell | 6-4,6-4 |
| Challenger Newport Beach Qual | 2018/01/20 20:55 | Dominik Koepfer v JC Aragone | 6-2,1-6,6-7 |
| Challenger Bangkok | 2018/01/08 04:15 | Evgeny Karlovskiy v Dominik Koepfer | 6-2,7-5 |
| Challenger Bangkok | 2018/01/02 08:05 | Dominik Koepfer v Mohamed Safwat | 5-7,6-0,6-7 |
| Challenger Bangkok Qual | 2018/01/01 04:00 | Bernabe Zapata Miralles v Dominik Koepfer | 6-7,3-6 |