Stadium: Court 1 Round: 14 Ground: Hardcourt indoor
| ITF - M25 Naples | 2021/02/25 15:00 | Mitchell Krueger v Strong Kirchheimer | 6-4,6-4 |
| ITF - M25 Naples | 2021/02/24 16:35 | Fletcher Scott v Strong Kirchheimer | 4-6,2-6 |
| ITF - M25 Naples | 2021/02/18 15:00 | Alejandro Gonzalez v Strong Kirchheimer | 3-6,7-6,7-6 |
| ITF - M25 Naples | 2021/02/17 16:45 | Strong Kirchheimer v JC Aragone | 3-6,6-2,6-1 |
| UTR Pro Tennis Series - Florida | 2021/01/24 14:00 | Strong Kirchheimer v Cristian C. Rodriguez Sanchez | 7-6,3-6,6-4 |
| UTR Pro Tennis Series - Florida | 2021/01/23 17:00 | Matija Pecotic v Strong Kirchheimer | 5-7,2-5 |
| UTR Pro Tennis Series - Florida | 2021/01/21 14:00 | Strong Kirchheimer v Giulio Perego | 6-1,6-2 |
| UTR Pro Tennis Series - Florida | 2021/01/20 16:30 | Strong Kirchheimer v Sekou Bangoura | 6-2,6-7,6-3 |
| UTR Pro Tennis Series - Californië | 2021/02/26 20:00 | Alex Michelsen v Kyle Kang | 6-3,1-6,6-7 |
| UTR Pro Tennis Series - Californië | 2021/02/25 20:00 | Gage Brymer v Kyle Kang | 6-2,4-6,5-3 |
| UTR Pro Tennis Series - Californië | 2021/02/23 18:00 | Alexander Lebedev v Kyle Kang | 6-1,6-7,2-5 |
| UTR Pro Tennis Series - Californië | 2021/02/22 16:00 | Kyle Kang v Ryan James Storrie | 4-6,2-5 |
| UTR Pro Tennis Series - Californië | 2021/02/21 18:00 | Kyle Kang v Aidan Mayo | 3-6,6-2,6-4 |
| UTR Pro Tennis Series - Californië | 2021/02/20 22:00 | Kyle Kang v Aaron Bailey | 6-7,7-5,6-0 |
| UTR Pro Tennis Series - Californië | 2021/02/19 17:30 | Kyle Kang v Alex Jones | 6-3,7-5 |
| UTR Pro Tennis Series - Californië | 2021/02/18 17:30 | Kyle Kang v William Griffith | 4-6,4-6 |