Sam Riffice 2-6,4-6 Stefan Kozlov 2019-10-31 14:00
Stadium: Court 2 Round: 26 Ground: Clay
Home History
| ITF - M25 Naples | 2019/10/29 16:00 | Sam Riffice v Micah Braswell | 6-3,6-3 |
| ITF M25 Houston | 2019/09/19 00:20 | Alexander Lebedev v Sam Riffice | 0-6,0-6 |
| US Open | 2019/08/19 15:00 | Stefano Napolitano v Sam Riffice | 6-2,6-4 |
| Challenger Aptos | 2019/08/07 01:00 | Sam Riffice v Taro Daniel | 4-6,0-6 |
| Challenger Aptos | 2019/08/05 18:45 | Sam Riffice v Yosuke Watanuki | 6-2,6-4 |
| Challenger Winnetka | 2019/07/09 18:35 | John McNally v Sam Riffice | 6-4,4-6,6-4 |
| ITF - M25 Tulsa | 2019/06/23 17:00 | Maxime Cressy v Sam Riffice | 6-3,6-1 |
| ITF - M25 Tulsa | 2019/06/22 16:30 | Sam Riffice v Ezekiel Clark | 6-3,6-3 |
Away History
| ITF - M25 Naples | 2019/10/29 18:40 | Mwendwa Mbithi v Stefan Kozlov | 4-6,3-6 |
| Challenger - Las Vegas | 2019/10/18 18:00 | Stefan Kozlov v James Duckworth | 2-6,3-6 |
| Challenger - Las Vegas | 2019/10/17 18:00 | Stefan Kozlov v Alexander Ritschard | 5-7,6-4,6-1 |
| Challenger - Las Vegas | 2019/10/15 20:55 | Blaz Rola v Stefan Kozlov | 4-6,3-6 |
| Challenger - Las Vegas | 2019/10/14 23:15 | Stefan Kozlov v Evan Song | 6-4,6-3 |
| US Open | 2019/08/20 16:15 | Stefan Kozlov v Egor Gerasimov | 4-6,4-6 |
| Challenger Winnetka | 2019/07/11 19:15 | Stefan Kozlov v Jason Kubler | 2-6,3-6 |
| Challenger Winnetka | 2019/07/08 19:55 | Stefan Kozlov v Evgeny Karlovskiy | 6-2,6-4 |