| UTR Pro Tennis Series - California | 2021/11/15 17:30 | Chase Thompson v William Peters | 3-6,3-6 |
| UTR Pro Tennis Series - California | 2021/11/12 16:00 | Maciej Rajski v William Peters | 6-0,5-7,6-1 |
| UTR Pro Tennis Series - California | 2021/11/10 16:00 | Ethan Schiffman v William Peters | 4-6,2-6 |
| UTR Pro Tennis Series - California | 2021/11/08 19:00 | Riccardo Roberto v William Peters | 0-6,0-1 |
| UTR Pro Tennis Series - California | 2021/11/07 20:30 | William Peters v Jean Baptiste Badon | 6-4,6-5 |
| UTR Pro Tennis Series - California | 2021/10/16 19:30 | William Peters v Julien Evrard | 3-6,6-7 |
| UTR Pro Tennis Series - California | 2021/10/14 19:30 | Evan Song v William Peters | 6-2,5-4 |
| UTR Pro Tennis Series - California | 2021/10/13 16:30 | Giacomo Revelli v William Peters | 0-6,3-6 |
| UTR Pro Tennis Series - California | 2021/11/15 19:00 | Alex Kuperstein v Abhishek Bastola | 6-2,6-0 |
| UTR Pro Tennis Series - California | 2021/11/14 16:00 | Alex Kuperstein v Zdenek Derkas | 6-3,7-5 |
| UTR Pro Tennis Series - California | 2021/11/13 16:00 | Alex Kuperstein v Ethan Schiffman | 6-0,6-2 |
| UTR Pro Tennis Series - California | 2021/11/09 17:30 | Rithvik Krishna v Alex Kuperstein | 6-4,3-6,0-5 |
| UTR Pro Tennis Series - California | 2021/11/08 16:00 | Ray Lo v Alex Kuperstein | 6-2,6-2 |
| UTR Pro Tennis Series - California | 2021/11/07 19:00 | Alex Kuperstein v Dzianis Zharyn | 7-6,5-2 |
| UTR Pro Tennis Series - Beograd | 2021/07/10 11:30 | Alex Kuperstein v Jean Thirouin | 4-6,3-6 |
| UTR Pro Tennis Series - Beograd | 2021/07/09 11:30 | Dusan Milanovic v Alex Kuperstein | 6-2,6-2 |