[11] John Isner 7-6,6-3,6-4 Bradley Klahn [92] 2018-08-27 16:50
Stadium: Grandstand Round: 23 Ground: Hardcourt outdoor
Home History
| ATP Cincinnati | 2018/08/13 20:15 | John Isner v Sam Querrey | 4-6,7-6,6-7 |
| ATP Toronto | 2018/08/09 22:40 | Karen Khachanov v John Isner | 7-6,7-6 |
| ATP Toronto | 2018/08/08 20:00 | Pierre-Hugues Herbert v John Isner | 6-7,2-6 |
| ATP Washington | 2018/08/02 21:30 | Noah Rubin v John Isner | 6-4,7-6 |
| ATP Atlanta | 2018/07/29 21:00 | John Isner v Ryan Harrison | 5-7,6-3,6-4 |
| ATP Atlanta | 2018/07/28 19:00 | John Isner v Matthew Ebden | 6-4,6-7,6-1 |
| ATP Atlanta | 2018/07/27 18:00 | John Isner v Mischa Zverev | 7-5,4-6,6-1 |
| ATP Atlanta | 2018/07/25 23:00 | John Isner v Alex De Minaur | 6-3,6-2 |
Away History
| ATP Cincinnati | 2018/08/15 18:15 | Bradley Klahn v Pablo Carreno Busta | 4-6,4-6 |
| ATP Cincinnati | 2018/08/13 18:55 | Maximilian Marterer v Bradley Klahn | 6-7,4-6 |
| ATP Cincinnati Qual | 2018/08/12 14:00 | Bradley Klahn v Guillermo Garcia-Lopez | 7-6,7-6 |
| ATP Cincinnati Qual | 2018/08/11 14:30 | Tennys Sandgren v Bradley Klahn | 4-6,6-7 |
| ATP Toronto | 2018/08/08 23:35 | Bradley Klahn v Alexander Zverev | 4-6,4-6 |
| ATP Toronto | 2018/08/06 17:40 | Bradley Klahn v David Ferrer | 7-6,6-4 |
| ATP Toronto Qual | 2018/08/05 16:00 | Bradley Klahn v Mirza Basic | 6-1,7-6 |
| Challenger Binghamton | 2018/07/26 13:55 | Mikael Torpegaard v Bradley Klahn | 7-6,7-6 |