Estadio: Court Tsitsipas Round: 62 Ground: Hardcourt outdoor
| UTR Pro Tennis Series - Copenhage | 2021/10/24 08:30 | Henrik Heise Korsgaard v Drew Van Orderlain | 3-6,7-6,6-2 |
| UTR Pro Tennis Series - Copenhage | 2021/10/20 10:00 | Drew Van Orderlain v Alexander Stage | 6-4,3-6,6-3 |
| UTR Pro Tennis Series - Copenhage | 2021/10/19 08:30 | Drew Van Orderlain v Marius Ruzgas | 3-6,4-6 |
| UTR Pro Tennis Series - Copenhage | 2021/10/18 08:30 | Drew Van Orderlain v Adam Heinonen | 4-6,5-7 |
| UTR Pro Tennis Series Atlanta | 2021/04/16 17:00 | Drew Van Orderlain v Ronan Jachuck | 3-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/15 16:30 | Drew Van Orderlain v Matthias Haim | 5-7,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/14 16:30 | Evan Bynoe v Drew Van Orderlain | 6-4,6-1 |
| UTR Pro Tennis Series Atlanta | 2021/04/13 14:30 | McClain Kessler v Drew Van Orderlain | 6-4,5-1 |
| ITF M15 Selva di Val Gardena | 2021/10/25 08:50 | Alessandro Pecci v Christian Fellin | 6-3,7-5 |
| ITF M15 Selva di Val Gardena | 2021/10/24 12:55 | Luca Teboul v Christian Fellin | 4-6,4-6 |
| ITF M15 Bad Waltersdorf | 2021/08/31 07:00 | Matic Dimic v Christian Fellin | 6-1,6-1 |
| ITF M15 Bad Waltersdorf | 2021/08/30 09:00 | Christian Fellin v Simone Cacciapuoti | 6-2,6-4 |
| ITF M25 Lesa | 2021/08/22 08:40 | Alessio Tramontin v Christian Fellin | 4-6,6-0,10-8 |
| ITF M15 Pescara | 2021/08/15 07:30 | Christian Fellin v Federico Marchetti | 0-6,2-6 |
| ITF M25 Bolzano | 2021/08/02 14:45 | Andrea Gola v Christian Fellin | 6-1,7-5 |
| ITF M25 Bolzano | 2021/08/01 07:30 | Christian Fellin v Moritz Trocker | 7-5,7-5 |