Round: 1
| ITF USA F23 | 2017/07/04 15:00 | Felix Corwin v Strong Kirchheimer | 4-6,6-3,6-4 |
| ITF USA F24 Qual | 2015/08/03 16:50 | Felix Corwin v Strong Kirchheimer | 3-6,6-2,5-7 |
| ITF USA F21 Qual | 2014/07/19 16:30 | Felix Corwin v Strong Kirchheimer | 6-7,4-6 |
| International Tennis Series | 2020/05/15 19:55 | Patricio Zarazua v Felix Corwin | 0-4,1-4 |
| International Tennis Series | 2020/05/14 01:25 | Felix Corwin v Noah Schachter | 2-4,1-4 |
| International Tennis Series | 2020/05/14 00:15 | Felix Corwin v Nikola Samardzic | 4-2,4-1 |
| International Tennis Series | 2020/05/13 22:05 | Felix Corwin v Stefan Storch | 4-0,4-1 |
| International Tennis Series | 2020/05/12 22:00 | Felix Corwin v Jakub Wojcik | 4-1,4-1 |
| International Tennis Series | 2020/05/12 19:30 | Felix Corwin v Adam El Mihdawy | 4-2,4-3 |
| International Tennis Series | 2020/05/12 18:40 | Evan King v Felix Corwin | 1-4,2-4 |
| International Tennis Series | 2020/05/11 01:20 | Dmitry Popko v Felix Corwin | 4-0,4-3 |
| International Tennis Series | 2020/05/15 19:05 | Strong Kirchheimer v Kyle Seelig | 4-2,4-3 |
| International Tennis Series | 2020/05/15 18:25 | Strong Kirchheimer v Patricio Zarazua | 4-1,4-0 |
| International Tennis Series | 2020/05/14 22:50 | Strong Kirchheimer v Noah Schachter | 4-0,4-0 |
| International Tennis Series | 2020/05/14 21:25 | Stefan Storch v Strong Kirchheimer | 0-4,2-4 |
| International Tennis Series | 2020/05/14 20:25 | Evan King v Strong Kirchheimer | 2-4,1-4 |
| International Tennis Series | 2020/05/12 17:25 | Strong Kirchheimer v Roberto Cid Subervi | 4-3,4-3 |
| International Tennis Series | 2020/05/12 16:30 | Paolo Lorenzi v Strong Kirchheimer | 4-0,4-1 |
| International Tennis Series | 2020/05/12 12:00 | Michael Redlicki v Strong Kirchheimer | 2-4,2-4 |