| ITF Netherlands F1 | 2018/06/27 10:45 | Ryan Nijboer v Paul Barretto | 6-4,7-6 |
| ITF Netherlands F1 Qual | 2018/06/25 09:00 | Paul Barretto v Tim Van Der Horst | 6-1,6-1 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Marc Dijkhuizen v Paul Barretto | 3-6,2-6 |
| ITF Netherlands F1 Qual | 2018/06/23 08:00 | Paul Barretto v Jack Molloy | 6-3,6-2 |
| ITF Belgium F1 Qual | 2018/06/16 08:00 | Daniel De Jonge v Paul Barretto | 6-3,6-4 |
| ITF USA F1 Qual | 2017/12/30 17:00 | Karue Sell v Paul Barretto | 7-5,6-3 |
| ITF USA F16 | 2017/05/03 14:00 | Kaichi Uchida v Paul Barretto | 6-2,6-0 |
| ITF USA F16 | 2017/05/01 13:00 | Jonathan Chang v Paul Barretto | 1-6,6-7 |
| 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 | Alexander Sarkissian 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 |
| UTR Pro Tennis Series California | 2021/02/23 16:00 | Collin Altamirano v Colton Smith | 6-3,5-2 |
| UTR Pro Tennis Series California | 2021/02/22 15:54 | Colton Smith v Shahin Khaledan | 6-1,7-6 |
| UTR Pro Tennis Series California | 2021/02/20 20:30 | Colton Smith v Aidan Mayo | 6-1,6-7,3-6 |
| UTR Pro Tennis Series California | 2021/02/18 20:30 | Colton Smith v Spencer Johnson | 6-4,6-6 |
| UTR Pro Tennis Series California | 2021/02/17 20:00 | Colton Smith v Luis Humberto Lopez | 7-5,3-6,6-2 |