[194] Alexei Popyrin 7-6,6-7,6-7 Dominik Koepfer [188] 2018-09-12 19:50
Stadium: Court 13 Round: 26 Ground: Hardcourt outdoor
Home History
| Challenger Cary | 2018/09/11 20:45 | Alexei Popyrin v JC Aragone | 6-3,6-4 |
| Challenger Chicago | 2018/09/06 15:00 | Noah Rubin v Alexei Popyrin | 5-7,6-2,7-5 |
| Challenger Chicago | 2018/09/05 15:00 | Alexei Popyrin v Victor Estrella Burgos | 6-3,7-5 |
| Challenger Gwangju | 2018/08/17 02:55 | Alexei Popyrin v Maverick Banes | 4-6,3-6 |
| Challenger Gwangju | 2018/08/16 01:00 | Alexei Popyrin v Bradley Mousley | 7-6,7-6 |
| Challenger Gwangju | 2018/08/14 09:10 | Marcel Granollers v Alexei Popyrin | 4-6,3-6 |
| Challenger Jinan | 2018/08/12 09:30 | Alexei Popyrin v James Ward | 3-6,6-1,7-5 |
| Challenger Jinan | 2018/08/11 07:30 | Alexei Popyrin v Zhizhen Zhang | 6-4,3-6,6-1 |
Away History
| Challenger Cary | 2018/09/11 21:10 | Roberto Ortega-Olmedo v Dominik Koepfer | 6-3,5-7,1-6 |
| Challenger Chicago | 2018/09/08 19:00 | Dominik Koepfer v Reilly Opelka | 3-6,6-7 |
| Challenger Chicago | 2018/09/07 17:40 | JC Aragone v Dominik Koepfer | 4-6,2-6 |
| Challenger Chicago | 2018/09/06 17:50 | Dominik Koepfer v Mitchell Krueger | 4-6,7-6,6-2 |
| Challenger Chicago | 2018/09/05 15:00 | Dominik Koepfer v Vincent Millot | 6-3,6-4 |
| ATP Winston-Salem | 2018/08/23 00:35 | Taro Daniel v Dominik Koepfer | 7-6,7-6 |
| ATP Winston-Salem | 2018/08/21 21:00 | Tennys Sandgren v Dominik Koepfer | 2-6,6-7 |
| ATP Winston-Salem | 2018/08/19 19:00 | Radu Albot v Dominik Koepfer | 6-4,4-6,6-3 |