Stadium: Court 7 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2019/06/20 15:00 | Alexander Ritschard v Sam Riffice | 2-6,3-6 |
| ITF M25 Tulsa | 2019/06/19 16:40 | Kody Pearson v Sam Riffice | 1-6,4-6 |
| ITF M25 Wichita | 2019/06/16 17:00 | Brandon Holt v Sam Riffice | 1-6,4-6 |
| ITF M25 Wichita | 2019/06/15 15:00 | Sam Riffice v Alexander Ritschard | 6-2,6-1 |
| ITF M25 Wichita | 2019/06/14 16:00 | Jordi Arconada v Sam Riffice | 3-6,3-6 |
| ITF M25 Wichita | 2019/06/13 17:10 | Ezekiel Clark v Sam Riffice | 4-6,4-6 |
| ITF M25 Wichita | 2019/06/12 16:30 | Brandon Lam v Sam Riffice | 0-6,1-6 |
| Challenger Orlando | 2019/01/03 16:45 | Mathias Bourgue v Sam Riffice | 6-4,5-7,6-2 |
| ITF M25 Tulsa | 2019/06/20 19:10 | Colin Markes v Alexander Sarkissian | 6-3,1-6,4-6 |
| ITF M25 Tulsa | 2019/06/19 15:00 | Nevin Arimilli v Alexander Sarkissian | 2-6,3-6 |
| Challenger Columbus | 2019/06/12 14:00 | Alexander Sarkissian v Joao Menezes | 3-6,7-6,3-6 |
| Challenger Little Rock | 2019/06/04 15:00 | Collin Altamirano v Alexander Sarkissian | 6-3,6-1 |
| Challenger Little Rock | 2019/06/03 18:00 | Alexander Sarkissian v Brandon Holt | 6-2,5-7,6-4 |
| Challenger Puerto Vallarta | 2019/05/02 21:10 | Alejandro Tabilo v Alexander Sarkissian | 6-0,6-2 |
| Challenger Puerto Vallarta | 2019/05/01 18:00 | Alexander Sarkissian v Donald Young | 1-6,7-6,6-2 |
| Challenger Puerto Vallarta | 2019/04/29 17:10 | Alexander Sarkissian v Evan Song | 4-6,7-6,6-1 |