[17] John Isner 7-6,6-3 Marin Cilic [3] 2018-03-27 15:00
Stadium: Stadium Round: 26 Ground: Hardcourt outdoor
Head to Head
| ATP Queens | 2017/06/20 17:15 | Marin Cilic v John Isner | 7-5,6-3 |
| ATP Rome | 2017/05/19 10:00 | John Isner v Marin Cilic | 7-6,2-6,7-6 |
| ATP Paris | 2016/11/05 13:10 | Marin Cilic v John Isner | 4-6,3-6 |
| Davis Cup | 2016/07/17 19:00 | John Isner v Marin Cilic | 6-7,3-6,4-6 |
| Wimbledon | 2015/07/03 15:55 | Marin Cilic v John Isner | 7-6,6-7,6-4,6-7,12-10 |
| ATP Delray Beach | 2014/02/23 04:25 | Marin Cilic v John Isner | 7-6,6-3 |
Home History
| ATP Miami | 2018/03/25 21:25 | John Isner v Mikhail Youzhny | 6-4,6-3 |
| ATP Miami | 2018/03/23 21:50 | John Isner v Jiri Vesely | 7-6,1-6,6-3 |
| ATP Indian Wells | 2018/03/11 18:00 | John Isner v Gael Monfils | 7-6,6-7,5-7 |
| ATP Acapulco | 2018/02/27 01:00 | John Isner v Ryan Harrison | 3-6,6-7 |
| ATP Delray Beach | 2018/02/21 17:40 | Peter Gojowczyk v John Isner | 7-6,6-7,7-6 |
| ATP Delray Beach | 2018/02/20 16:00 | Radu Albot v John Isner | 7-5,3-6,4-6 |
| ATP New York | 2018/02/15 00:30 | John Isner v Radu Albot | 6-7,6-3,3-6 |
| Davis Cup | 2018/02/02 17:20 | Dusan Lajovic v John Isner | 4-6,7-6,3-6,6-3,6-7 |
Away History
| ATP Miami | 2018/03/25 17:10 | Vasek Pospisil v Marin Cilic | 5-7,6-7 |
| ATP Miami | 2018/03/23 17:00 | Pierre-Hugues Herbert v Marin Cilic | 5-7,3-6 |
| ATP Indian Wells | 2018/03/13 19:30 | Philipp Kohlschreiber v Marin Cilic | 6-4,6-4 |
| ATP Indian Wells | 2018/03/12 00:10 | Marton Fucsovics v Marin Cilic | 5-7,3-6 |
| ATP Rio De Janeiro | 2018/02/21 22:00 | Marin Cilic v Gael Monfils | 3-6,6-7 |
| ATP Rio De Janeiro | 2018/02/19 22:20 | Marin Cilic v Carlos Berlocq | 6-3,6-2 |
| Australian Open | 2018/01/28 08:30 | Marin Cilic v Roger Federer | 2-6,7-6,3-6,6-3,1-6 |
| Australian Open | 2018/01/25 08:30 | Marin Cilic v Kyle Edmund | 6-2,7-6,6-2 |