| 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 | 2021/07/29 16:00 | Alex Michelsen v Quinn Vandecasteele | 6-4,6-3 |
| UTR Pro Tennis Series California | 2021/07/28 16:30 | Eduardo Nava v Alex Michelsen | 4-6,3-6 |
| UTR Pro Tennis Series California | 2021/07/27 15:00 | Pierce Rollins v Alex Michelsen | 1-6,7-5,6-3 |
| UTR Pro Tennis Series California | 2021/07/25 19:30 | Alex Michelsen v Lawee Sherif | 6-4,6-3 |
| UTR Pro Tennis Series California | 2021/02/28 17:30 | Eric Hadigian v Alex Michelsen | 6-4,6-1 |
| UTR Pro Tennis Series California | 2021/02/27 19:00 | Shahin Khaledan v Alex Michelsen | 6-7,2-5 |
| ITF M25 Trier | 2021/08/26 11:55 | Patrick Zahraj v Louis Wessels | 2-6,6-3,2-6 |
| ITF M25 Trier | 2021/08/25 09:00 | Patrick Zahraj v Oscar Galimardanov | 7-5,3-6,6-2 |
| ITF M25 Trier | 2021/08/23 14:40 | Lorenzo Joaquin Rodriguez v Patrick Zahraj | 6-3,2-6,9-11 |
| ITF M25 Trier | 2021/08/23 10:30 | Joel Vincent Link v Patrick Zahraj | 1-6,3-6 |
| ITF M15 Oldenzaal | 2021/08/17 07:25 | George Loffhagen v Patrick Zahraj | 6-3,7-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:30 | Patrick Zahraj v Charles Broom | 6-2,6-4 |
| ITF M15 Oldenzaal | 2021/08/15 14:00 | Luca Teboul v Patrick Zahraj | 2-6,2-6 |
| ITF M25 Frankfurt am Main | 2021/08/09 14:15 | Paul Woerner v Patrick Zahraj | 6-4,6-7,10-7 |