| UTR Pro Tennis Series California | 2021/10/13 18:00 | Aragone, JC v Yanais Laurent | 6-0,6-1 |
| UTR Pro Tennis Series California | 2021/10/12 15:00 | Aragone, JC v Evrard, Julien | 6-0,6-2 |
| UTR Pro Tennis Series California | 2021/10/11 18:00 | Aragone, JC v Gomez, Lucas | 6-3,6-5 |
| Challenger Columbus | 2021/09/21 14:00 | Aragone, JC v King, Evan | 4-6,4-6 |
| Challenger Cary | 2021/09/15 17:00 | Aragone, JC v Max Purcell | 2-6,2-6 |
| Challenger Cary | 2021/09/13 17:00 | Aragone, JC v Torpegaard, Mikael | 3-6,6-2,6-3 |
| Challenger Cassis | 2021/09/05 09:35 | Laurent Lokoli v Aragone, JC | 4-6,6-4,6-3 |
| Challenger St. Tropez | 2021/08/31 08:30 | Thanasi Kokkinakis v Aragone, JC | 6-3,7-5 |
| UTR Pro Tennis Series California | 2021/10/13 16:30 | Rithvik Krishna v Karl Lee | 3-6,3-5 |
| UTR Pro Tennis Series California | 2021/10/11 16:30 | Evrard, Julien v Karl Lee | 4-6,4-5 |
| UTR Pro Tennis Series California | 2021/07/20 15:00 | Karl Lee v Julian Steinhausen | 3-6,6-7 |
| UTR Pro Tennis Series California | 2021/07/18 22:47 | Karl Lee v Arimilli, Nevin | 5-7,6-7 |
| UTR Pro Tennis Series Nevada | 2021/07/03 16:30 | Bjorn Swenson v Karl Lee | 6-2,5-2 |
| UTR Pro Tennis Series Nevada | 2021/06/30 15:00 | Karl Lee v Bailey, Aaron | 6-2,6-4 |
| UTR Pro Tennis Series Nevada | 2021/06/29 15:00 | Karl Lee v Frye, Bradley | 3-6,6-7 |
| UTR Pro Tennis Series Nevada | 2021/06/28 18:00 | Karl Lee v Pratt, Jared | 6-4,6-3 |