Ryan Harrison 6-7,3-6,6-7 Marin Cilic 2018-01-19 09:00
Stadium: John Cain Arena Round: 25 Ground: Hardcourt outdoor
Head to Head
| ATP Tokyo | 2017/10/06 06:50 | Marin Cilic v Ryan Harrison | 6-2,6-0 |
| ATP Rome | 2017/05/16 18:40 | Ryan Harrison v Marin Cilic | 3-6,2-6 |
| ATP Delray Beach | 2014/02/20 17:50 | Marin Cilic v Ryan Harrison | 6-3,6-4 |
Home History
| Australian Open | 2018/01/17 04:15 | Pablo Cuevas v Ryan Harrison | 4-6,6-7,4-6 |
| Australian Open | 2018/01/15 00:00 | Dudi Sela v Ryan Harrison | 3-6,7-5,6-3,5-7,2-6 |
| ATP Brisbane | 2018/01/07 09:00 | Nick Kyrgios v Ryan Harrison | 6-4,6-2 |
| ATP Brisbane | 2018/01/06 03:20 | Alex De Minaur v Ryan Harrison | 6-4,6-7,4-6 |
| ATP Brisbane | 2018/01/04 05:15 | Ryan Harrison v Yannick Hanfmann | 6-7,6-4,6-2 |
| ATP Brisbane | 2018/01/01 01:00 | Ryan Harrison v Leonardo Mayer | 6-4,3-6,6-2 |
| ATP Paris | 2017/10/30 10:00 | Ryan Harrison v Peter Gojowczyk | 6-7,3-6 |
| ATP Basel | 2017/10/25 13:40 | Roberto Bautista-Agut v Ryan Harrison | 6-3,7-6 |
Away History
| Australian Open | 2018/01/17 03:15 | Joao Sousa v Marin Cilic | 1-6,5-7,2-6 |
| Australian Open | 2018/01/15 04:10 | Vasek Pospisil v Marin Cilic | 2-6,2-6,6-4,6-7 |
| Kooyong Classic | 2018/01/10 00:00 | Marin Cilic v Matthew Ebden | 7-6,4-6,5-7 |
| ATP Pune | 2018/01/05 11:30 | Marin Cilic v Gilles Simon | 6-1,3-6,2-6 |
| ATP Pune | 2018/01/04 11:30 | Marin Cilic v Pierre-Hugues Herbert | 6-3,6-2 |
| ATP Pune | 2018/01/03 13:55 | Marin Cilic v Ramkumar Ramanathan | 6-4,6-3 |
| ATP World Tour Finals | 2017/11/16 14:00 | Roger Federer v Marin Cilic | 6-7,6-4,6-1 |
| ATP World Tour Finals | 2017/11/14 14:00 | Marin Cilic v Jack Sock | 7-5,2-6,6-7 |