Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2019/06/21 15:00 | Sam Riffice v Alexander Sarkissian | 6-2,6-1 |
| ITF M25 Houston | 2019/09/18 22:15 | Alexander Sarkissian v George Goldhoff | 6-2,6-2 |
| Challenger Cary | 2019/09/10 19:05 | Alexander Sarkissian v Michael Mmoh | 7-5,6-7,0-6 |
| Challenger Cary | 2019/09/09 18:45 | Gabriel Petit v Alexander Sarkissian | 3-6,2-6 |
| Challenger New Haven | 2019/09/03 14:00 | Sekou Bangoura v Alexander Sarkissian | 6-3,6-7,6-3 |
| ITF M25 Memphis | 2019/08/16 17:00 | Alexander Sarkissian v Ulises Blanch | 3-6,2-6 |
| ITF M25 Memphis | 2019/08/15 17:00 | Alexander Sarkissian v Evan Song | 6-1,6-4 |
| ITF M25 Memphis | 2019/08/14 16:30 | Alexander Sarkissian v JanMagnus Johnson | 6-2,6-3 |
| ITF M25 Memphis | 2019/08/13 17:15 | Alexander Sarkissian v James Trotter | 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 |
| ITF M25 Tulsa | 2019/06/21 15:00 | Sam Riffice v Alexander Sarkissian | 6-2,6-1 |