[10] Casper Ruud 6-3,7-6 Reilly Opelka [19] 2021-09-24 17:00
Stadium: Center Court Round: 44 Ground: Hardcourt indoor
Head to Head
| ATP Cincinnati | 2021/08/18 17:25 | Casper Ruud v Reilly Opelka | 6-7,6-0,7-6 |
| ATP Houston | 2019/04/10 23:30 | Reilly Opelka v Casper Ruud | 6-4,4-6,4-6 |
| Australian Open 2017 Qual | 2017/01/14 03:40 | Reilly Opelka v Casper Ruud | 7-6,6-3 |
Home History
| Davis Cup | 2021/09/18 13:45 | Casper Ruud v Sanjar Fayziev | 6-3,6-1 |
| Davis Cup | 2021/09/17 15:50 | Casper Ruud v Khumoyun Sultanov | 6-3,6-3 |
| US Open | 2021/09/01 16:00 | Casper Ruud v Botic Van De Zandschulp | 6-3,4-6,3-6,4-6 |
| US Open | 2021/08/30 18:45 | Casper Ruud v Yuichi Sugita | 6-3,6-2,6-2 |
| ATP Cincinnati | 2021/08/21 00:30 | Casper Ruud v Alexander Zverev | 1-6,3-6 |
| ATP Cincinnati | 2021/08/19 20:30 | Casper Ruud v Diego Schwartzman | 6-4,6-3 |
| ATP Cincinnati | 2021/08/18 17:25 | Casper Ruud v Reilly Opelka | 6-7,6-0,7-6 |
| ATP Toronto | 2021/08/13 16:00 | Casper Ruud v Stefanos Tsitsipas | 1-6,4-6 |
Away History
| US Open | 2021/09/06 17:25 | Reilly Opelka v Lloyd Harris | 7-6,4-6,1-6,3-6 |
| US Open | 2021/09/04 23:10 | Nikoloz Basilashvili v Reilly Opelka | 6-7,3-6,4-6 |
| US Open | 2021/09/02 16:00 | Lorenzo Musetti v Reilly Opelka | 6-7,5-7,4-6 |
| US Open | 2021/08/31 15:00 | Soonwoo Kwon v Reilly Opelka | 6-7,4-6,4-6 |
| ATP Cincinnati | 2021/08/18 17:25 | Casper Ruud v Reilly Opelka | 6-7,6-0,7-6 |
| ATP Cincinnati | 2021/08/17 18:40 | Reilly Opelka v Corentin Moutet | 7-6,4-6,6-4 |
| ATP Toronto | 2021/08/15 20:00 | Daniil Medvedev v Reilly Opelka | 6-4,6-3 |
| ATP Toronto | 2021/08/14 19:00 | Stefanos Tsitsipas v Reilly Opelka | 7-6,6-7,4-6 |