| UTR Pro Tennis Series California | 2021/05/29 19:30 | Barretto, Paul v Bailey, Aaron | 6-7,6-0,4-6 |
| UTR Pro Tennis Series California | 2021/05/27 15:00 | Lawee Sherif v Barretto, Paul | 3-6,6-4,4-6 |
| UTR Pro Tennis Series California | 2021/05/26 16:30 | Hadigian, Eric v Barretto, Paul | 6-2,5-3 |
| UTR Pro Tennis Series California | 2021/05/24 15:00 | Hugo Hashimoto v Barretto, Paul | 4-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/23 20:30 | Middleton, Jett v Barretto, Paul | 7-5,5-4 |
| UTR Pro Tennis Series California | 2021/05/19 21:30 | Lopez, Luis Humberto v Barretto, Paul | 5-7,7-5,3-1 |
| UTR Pro Tennis Series California | 2021/05/18 19:30 | Isaiah Strode v Barretto, Paul | 6-3,7-6 |
| ITF Netherlands F1 | 2018/06/27 10:45 | Ryan Nijboer v Barretto, Paul | 6-4,7-6 |
| UTR Pro Tennis Series California | 2021/05/29 16:30 | Colton Smith v Kyle Kang | 5-7,3-6 |
| UTR Pro Tennis Series California | 2021/05/28 18:00 | Aragone, JC v Colton Smith | 4-6,6-4,4-5 |
| UTR Pro Tennis Series California | 2021/05/25 20:15 | Julian Steinhausen v Colton Smith | 2-6,6-3,6-7 |
| UTR Pro Tennis Series California | 2021/05/24 19:30 | Arovin, Oleksiy v Colton Smith | 0-6,4-5 |
| UTR Pro Tennis Series California | 2021/05/23 18:00 | Colton Smith v Sema Pankin | 6-4,4-6,5-1 |
| UTR Pro Tennis Series California | 2021/02/28 17:30 | Colton Smith v Joshua Sheehy | 6-4,6-4 |
| UTR Pro Tennis Series California | 2021/02/26 16:00 | Sarkissian, Alexander v Colton Smith | 7-5,5-1 |
| UTR Pro Tennis Series California | 2021/02/25 22:00 | Kalman Boyd v Colton Smith | 5-7,6-4,6-3 |