| UTR Pro Tennis Series California | 2021/11/14 20:00 | Aaron Bailey v Alex Michelsen | 2-6,2-6 |
| UTR Pro Tennis Series California | 2021/10/16 15:00 | Govind Nanda v Alex Michelsen | 4-6,6-2,5-2 |
| UTR Pro Tennis Series California | 2021/10/15 18:00 | Alex Michelsen v Yassine Smiej | 6-3,6-5 |
| UTR Pro Tennis Series California | 2021/10/14 15:00 | Alex Michelsen v Chase Thompson | 7-5,5-4 |
| UTR Pro Tennis Series California | 2021/10/13 18:00 | Nicholas Campbell v Alex Michelsen | 4-6,7-6,3-6 |
| UTR Pro Tennis Series California | 2021/10/12 18:00 | Ryan Seggerman v Alex Michelsen | 4-6,6-4,3-5 |
| UTR Pro Tennis Series California | 2021/08/01 15:00 | Joshua Charlton v Alex Michelsen | 7-6,5-1 |
| UTR Pro Tennis Series California | 2021/07/31 18:00 | Alex Michelsen v Aidan Kim | 6-0,6-4 |
| UTR Pro Tennis Series California | 2021/11/15 23:02 | John B D Otico v Arthur Bellegy | 3-6,7-5,3-6 |
| UTR Pro Tennis Series California | 2021/08/25 15:00 | Karue Sell v John B D Otico | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/08/24 18:00 | Ryan Seggerman v John B D Otico | 6-3,6-0 |
| UTR Pro Tennis Series California | 2021/08/23 21:45 | Martin Redlicki v John B D Otico | 6-7,6-2,6-2 |
| UTR Pro Tennis Series California | 2021/08/22 15:00 | John B D Otico v Wally Thayne | 0-0 |
| UTR Pro Tennis Series California | 2021/07/28 18:00 | Alexey Nesterov v John B D Otico | 6-2,5-1 |
| UTR Pro Tennis Series California | 2021/07/27 19:30 | Ethan Quinn v John B D Otico | 6-4,3-6,5-4 |
| UTR Pro Tennis Series California | 2021/07/25 18:00 | Aditya Gupta v John B D Otico | 6-2,5-3 |