| UTR Pro Tennis Series Florida | 2021/09/13 15:00 | Bybel, Nicholas v Adam Ambrozy | 6-3,6-3 |
| ITF M25 Decatur | 2021/08/03 14:55 | Dane Sweeny v Bybel, Nicholas | 6-3,6-1 |
| ITF M25 Decatur | 2021/08/02 15:00 | Bybel, Nicholas v Alexander Brown | 6-4,6-1 |
| ITF M25 Champaign | 2021/07/26 15:00 | Perez, Alfredo v Bybel, Nicholas | 6-1,6-3 |
| ITF M15 Edwardsville | 2021/07/19 14:00 | Meister, Nicolas v Bybel, Nicholas | 3-6,6-1,10-4 |
| ITF M25 Weston | 2021/06/28 19:00 | Alex Hernandez v Bybel, Nicholas | 6-3,6-1 |
| ITF M15 Champaign | 2021/06/22 15:00 | Farren, Connor v Bybel, Nicholas | 6-4,6-2 |
| ITF M15 Champaign | 2021/06/21 15:00 | Bybel, Nicholas v Parker, Jordan | 6-7,6-2,10-6 |
| UTR Pro Tennis Series Florida | 2021/09/13 16:30 | Kaylan Bigun v Mora, Daniel | 2-6,4-6 |