| ITF Mexico F1 | 2015/05/03 17:00 | Sarkissian, Alexander v Barrientos, Nicolas | 7-5,3-6,4-6 |
| UTR Pro Tennis Series California | 2021/02/13 16:00 | Brymer, Gage v Sarkissian, Alexander | 1-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/12 21:30 | Adamson, Alec v Sarkissian, Alexander | 2-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/11 18:00 | Ortlip, Joshua v Sarkissian, Alexander | 6-7,4-5 |
| UTR Pro Tennis Series California | 2021/02/09 18:00 | Karl Lee v Sarkissian, Alexander | 6-0,6-7,2-6 |
| UTR Pro Tennis Series California | 2021/02/08 16:00 | Sarkissian, Alexander v Isaiah Strode | 7-5,6-7,4-6 |
| UTR Pro Tennis Series California | 2020/09/28 18:15 | Brymer, Gage v Sarkissian, Alexander | 6-3,6-2 |
| UTR Pro Tennis Series California | 2020/09/27 18:30 | Khaledan, Shahin v Sarkissian, Alexander | 6-4,6-1 |
| UTR Pro Tennis Series California | 2020/09/26 17:30 | Adamson, Alec v Sarkissian, Alexander | 6-2,6-2 |
| UTR Pro Tennis Series California | 2021/02/13 17:30 | Jakob Schnaitter v Barrientos, Nicolas | 3-6,6-1,2-6 |
| UTR Pro Tennis Series California | 2021/02/12 20:00 | Kyle Kang v Barrientos, Nicolas | 3-6,2-5 |
| UTR Pro Tennis Series California | 2021/02/11 16:00 | Hovhannisyan, Mousheg v Barrientos, Nicolas | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/02/10 20:00 | Wally Thayne v Barrientos, Nicolas | 3-6,3-5 |
| UTR Pro Tennis Series California | 2021/02/08 18:00 | Aragone, JC v Barrientos, Nicolas | 6-2,4-6,6-2 |
| UTR Pro Tennis Series Cancun | 2020/11/21 15:45 | Oliver Crawford v Barrientos, Nicolas | 6-3,6-3 |
| UTR Pro Tennis Series Cancun | 2020/11/19 15:00 | Barrientos, Nicolas v Hernandez Serrano, Juan Alejandro | 6-4,6-3 |
| UTR Pro Tennis Series Cancun | 2020/11/17 13:52 | Barrientos, Nicolas v Bianchi, Nicolas | 6-3,6-4 |