[11] John Isner 7-6,6-7,6-3,7-5 Dusan Lajovic [62] 2018-08-31 21:00
Stadium: Grandstand Round: 25 Ground: Hardcourt outdoor
Head to Head
| Davis Cup | 2018/02/02 17:20 | Dusan Lajovic v John Isner | 4-6,7-6,3-6,6-3,6-7 |
| ATP Shanghai | 2017/10/10 05:00 | Dusan Lajovic v John Isner | 6-4,6-7,6-7 |
| ATP Eastbourne | 2017/06/28 15:40 | Dusan Lajovic v John Isner | 6-3,6-7,6-7 |
Home History
| US Open | 2018/08/29 20:45 | John Isner v Nicolas Jarry | 6-7,6-4,3-6,7-6,6-4 |
| US Open | 2018/08/27 16:50 | John Isner v Bradley Klahn | 7-6,6-3,6-4 |
| 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 |
Away History
| US Open | 2018/08/29 19:45 | Cameron Norrie v Dusan Lajovic | 2-6,6-2,4-6,4-6 |
| US Open | 2018/08/27 18:55 | Dusan Lajovic v Damir Dzumhur | 3-6,6-1,6-3,6-4 |
| ATP Cincinnati | 2018/08/14 15:00 | Dusan Lajovic v Milos Raonic | 3-6,3-6 |
| ATP Cincinnati Qual | 2018/08/12 15:00 | Dusan Lajovic v Marcos Baghdatis | 2-6,6-2,6-3 |
| ATP Cincinnati Qual | 2018/08/11 18:00 | Dusan Lajovic v Mitchell Krueger | 7-6,6-4 |
| ATP Kitzbuhel | 2018/08/02 15:00 | Martin Klizan v Dusan Lajovic | 4-6,7-6,6-2 |
| ATP Kitzbuhel | 2018/08/01 13:30 | Dennis Novak v Dusan Lajovic | 2-6,4-6 |
| ATP Kitzbuhel | 2018/07/30 13:20 | Guillermo Garcia-Lopez v Dusan Lajovic | 4-6,2-6 |