[5] Marin Cilic 6-2,6-0 Ryan Harrison [52] 2017-10-06 06:50
Stadium: Colosseum Round: 27 Ground: Hardcourt outdoor
Head to Head
| 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
| ATP Tokyo | 2017/10/04 08:15 | Marin Cilic v Yasutaka Uchiyama | 6-3,6-4 |
| ATP Tokyo | 2017/10/02 05:10 | Marin Cilic v Stefanos Tsitsipas | 6-3,6-2 |
| Laver Cup | 2017/09/22 11:00 | Marin Cilic v Frances Tiafoe | 7-6,7-6 |
| Davis Cup | 2017/09/17 15:00 | Santiago Giraldo v Marin Cilic | 3-6,4-6,4-6 |
| Davis Cup | 2017/09/15 15:00 | Alejandro Gonzalez v Marin Cilic | 1-6,4-6,1-6 |
| US Open | 2017/09/01 15:00 | Diego Schwartzman v Marin Cilic | 4-6,7-5,7-5,6-4 |
| US Open | 2017/08/30 23:30 | Florian Mayer v Marin Cilic | 3-6,3-6,3-6 |
| US Open | 2017/08/28 16:35 | Tennys Sandgren v Marin Cilic | 4-6,3-6,6-3,3-6 |
Away History
| ATP Tokyo | 2017/10/04 05:55 | Ryan Harrison v Kevin Anderson | 6-3,1-6,7-6 |
| ATP Tokyo | 2017/10/02 06:05 | Yusuke Takahashi v Ryan Harrison | 4-6,6-4,4-6 |
| US Open | 2017/08/30 15:00 | Ryan Harrison v Tomas Berdych | 4-6,2-6,6-7 |
| ATP Cincinnati | 2017/08/13 18:40 | Ryan Harrison v Gilles Muller | 4-6,7-5,6-7 |
| ATP Montreal | 2017/08/09 16:30 | Ryan Harrison v Roberto Bautista-Agut | 5-7,2-6 |
| ATP Montreal | 2017/08/07 19:25 | Thomas Fabbiano v Ryan Harrison | 3-6,5-7 |
| ATP Washington | 2017/08/02 22:50 | Marcos Baghdatis v Ryan Harrison | 6-4,6-1 |
| ATP Atlanta | 2017/07/30 21:00 | Ryan Harrison v John Isner | 6-7,6-7 |