Grigor Dimitrov 6-1,7-6,6-3 Riffice, Sam 2021-08-30 19:10
Stadium: Court 5 Round: 23 Ground: Hardcourt outdoor
Home History
| Cincinnati, USA | 2021/08/19 16:05 | Daniil Medvedev v Grigor Dimitrov | 6-3,6-3 |
| Cincinnati, USA | 2021/08/18 14:00 | Alexander Bublik v Grigor Dimitrov | 3-6,5-7 |
| Cincinnati, USA | 2021/08/17 15:00 | Grigor Dimitrov v Bautista-Agut, Roberto | 6-3,6-4 |
| Toronto, Canada | 2021/08/11 02:35 | Grigor Dimitrov v Opelka, Reilly | 3-6,4-6 |
| Washington, USA | 2021/08/04 21:00 | Grigor Dimitrov v Ilya Ivashka | 2-6,6-7 |
| Wimbledon, London, Great Britain | 2021/07/01 13:55 | Alexander Bublik v Grigor Dimitrov | 6-4,7-6,7-6 |
| Wimbledon, London, Great Britain | 2021/06/30 12:30 | Verdasco, Fernando v Grigor Dimitrov | 6-3,3-6,4-6,4-6 |
| ATP - Genève | 2021/05/20 17:20 | Cuevas, Pablo v Grigor Dimitrov | 7-6,6-3 |
Away History
| Challenger Lexington | 2021/07/25 20:30 | Stefan Kozlov v Riffice, Sam | 6-2,6-3 |
| Challenger Cary | 2021/07/22 18:00 | Riffice, Sam v Gunneswaran, Prajnesh | 2-6,4-6 |
| Challenger Cary | 2021/07/20 15:00 | Riffice, Sam v Tatsuma Ito | 6-7,6-4,7-5 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/19 14:00 | Genaro Alberto Olivieri v Riffice, Sam | 7-6,7-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/18 14:00 | Brymer, Gage v Riffice, Sam | 0-6,6-7 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/17 14:00 | Riffice, Sam v Jason Kubler | 6-1,6-4 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/16 14:00 | Nathan Ponwith v Riffice, Sam | 5-7,4-6 |
| Orlando, USA | 2021/06/12 17:45 | Riffice, Sam v Christopher Eubanks | 3-6,6-7 |