| Califórnia - UTR Pro Tennis Series | 2021/02/17 20:35 | Joshua Sheehy v Kyle Kang | 3-6,2-6 |
| Califórnia - UTR Pro Tennis Series | 2021/05/22 19:30 | Kyle Kang v Lucas Gomez | 6-1,5-7,6-4 |
| Califórnia - UTR Pro Tennis Series | 2021/05/21 16:30 | Isaiah Strode v Kyle Kang | 6-4,6-7,0-6 |
| Califórnia - UTR Pro Tennis Series | 2021/05/20 21:30 | Jean Baptiste Badon v Kyle Kang | 1-6,2-5 |
| Califórnia - UTR Pro Tennis Series | 2021/05/18 18:00 | Luis Humberto Lopez v Kyle Kang | 7-5,1-6,3-6 |
| Califórnia - UTR Pro Tennis Series | 2021/05/17 15:00 | Kyle Kang v Jakob Schnaitter | 3-6,4-6 |
| Challenger - Cleveland | 2021/03/14 19:00 | Strong Kirchheimer v Kyle Kang | 6-4,6-1 |
| Califórnia - UTR Pro Tennis Series | 2021/02/26 20:00 | Alex Michelsen v Kyle Kang | 6-3,1-6,6-7 |
| Califórnia - UTR Pro Tennis Series | 2021/02/25 20:00 | Gage Brymer v Kyle Kang | 6-2,4-6,5-3 |
| Cancún - UTR Pro Tennis Series | 2021/04/03 15:00 | Joshua Sheehy v Drew Van Orderlain | 6-2,6-4 |
| Cancún - UTR Pro Tennis Series | 2021/04/01 14:30 | Joshua Sheehy v Wilson Leite | 6-7,6-4,5-6 |
| Cancún - UTR Pro Tennis Series | 2021/03/31 15:00 | Joshua Sheehy v Jean-Baptiste Badon | 6-4,7-5 |
| Cancún - UTR Pro Tennis Series | 2021/03/30 13:00 | Joshua Sheehy v Juan Sebastian Gomez | 2-6,1-5 |
| Cancún - UTR Pro Tennis Series | 2021/03/29 13:30 | Joshua Sheehy v Gage Brymer | 6-7,0-6 |
| Flórida - UTR Pro Tennis Series | 2021/03/14 14:30 | Harris Walker v Joshua Sheehy | 7-6,5-4 |
| Flórida - UTR Pro Tennis Series | 2021/03/13 14:00 | Joshua Sheehy v Giulio Perego | 6-2,5-4 |
| Flórida - UTR Pro Tennis Series | 2021/03/12 17:00 | Joshua Sheehy v Murphy Cassone | 6-2,6-2 |