Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF USA F10 Qual | 2018/04/09 15:00 | Riffice, Sam v Noah Schachter | 6-3,6-4 |
| ITF USA F10 Qual | 2018/04/08 16:00 | Riffice, Sam v Williams, Austin | 6-2,6-1 |
| ITF USA F9 | 2018/04/05 15:00 | Griekspoor, Scott v Riffice, Sam | 6-4,7-6 |
| ITF USA F9 | 2018/04/04 16:20 | Harrison Adams v Riffice, Sam | 5-7,2-6 |
| ITF Canada F1 Qual | 2018/02/26 18:45 | Riffice, Sam v Redlicki, Michael | 4-6,4-6 |
| ITF USA F6 | 2018/02/01 15:00 | Gil, Fred v Riffice, Sam | 2-6,7-6,6-3 |
| ITF USA F6 | 2018/01/30 16:45 | Ram-Harel, Or v Riffice, Sam | 6-4,2-6,3-6 |
| ITF USA F5 | 2018/01/24 19:20 | Riffice, Sam v Cagnina, Julien | 5-7,6-7 |
| ITF USA F10 Qual | 2018/04/09 15:00 | Barnett, Frank v Vlad Andrei Dancu | 6-4,6-1 |
| ITF USA F9 Qual | 2018/03/31 19:30 | Barnett, Frank v Shropshire, Samuel | 1-6,0-6 |
| ITF USA F13 Qual | 2016/04/10 16:00 | Barnett, Frank v Daciek, Patrick | 0-6,0-6 |