Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Little Rock | 2021/05/31 18:00 | Roberto Cid Subervi v Mukund Sasikumar | 3-6,4-6 |
| French Open | 2021/05/25 09:30 | Francisco Cerundolo v Roberto Cid Subervi | 6-2,7-6 |
| Challenger Biella | 2021/05/18 10:05 | Roberto Cid Subervi v Riccardo Bonadio | 5-7,3-6 |
| Challenger Salinas 2 | 2021/04/27 18:00 | Agustin Velotti v Roberto Cid Subervi | 5-7,6-4,7-6 |
| Challenger Tallahassee | 2021/04/20 14:00 | Roberto Cid Subervi v Joao Menezes | 5-7,4-6 |
| Challenger Orlando | 2021/04/17 16:50 | Denis Kudla v Roberto Cid Subervi | 2-6,6-2,6-2 |
| Challenger Orlando | 2021/04/14 15:50 | Thiago Seyboth Wild v Roberto Cid Subervi | 6-7,2-6 |
| Challenger Orlando | 2021/04/13 14:00 | Mikael Torpegaard v Roberto Cid Subervi | 6-7,3-6 |
| Challenger Orlando | 2021/06/07 15:55 | Sam Riffice v Paolo Lorenzi | 6-2,6-4 |
| ITF M15 Fayetteville | 2020/11/03 20:50 | Sam Riffice v Roberto Quiroz | 2-6,6-7 |
| UTR Pro Tennis Series Florida | 2020/07/30 12:00 | Cleeve Harper v Sam Riffice | 2-6,4-6 |
| UTR Pro Tennis Series Florida | 2020/07/29 12:00 | Sam Riffice v Egor Gerasimov | 3-6,4-6 |
| UTR Pro Tennis Series Florida | 2020/07/28 12:00 | Jordi Arconada v Sam Riffice | 3-6,3-6 |
| UTR Pro Tennis Series Florida | 2020/07/24 13:30 | Sam Riffice v Liam Draxl | 3-6,6-7 |
| UTR Pro Tennis Series Florida | 2020/07/23 12:00 | Sam Riffice v Ronald Hohmann | 6-3,6-3 |
| UTR Pro Tennis Series Florida | 2020/07/22 13:30 | Dmitry Popko v Sam Riffice | 6-4,1-6,10-8 |