| ITF USA F26 | 09/26 19:45 | 25 | Korey Lovett v Strong Kirchheimer | 5-7,3-6 | |
| Challenger Columbus | 09/17 15:40 | 54 | Evan Song v Strong Kirchheimer | 7-5,3-6,6-3 | |
| Challenger Columbus | 09/16 15:55 | 46 | Kyle Seelig v Strong Kirchheimer | 6-4,2-6,6-7 | |
| Challenger Columbus | 09/15 14:00 | 45 | Strong Kirchheimer v Blake Ellis | 6-1,6-4 | |
| Challenger Cary | 09/09 14:00 | 46 | Jeffrey John Wolf v Strong Kirchheimer | 6-4,4-6,6-2 | |
| Challenger Cary | 09/08 16:00 | 45 | Strong Kirchheimer v Pablo Vivero Gonzalez | 6-3,3-6,6-2 | |
| Challenger Chicago | 09/02 19:25 | 45 | Jared Hiltzik v Strong Kirchheimer | 7-5,7-6 | |
| ITF USA F23 | 08/17 14:00 | 27 | Strong Kirchheimer v Sekou Bangoura | 6-7,2-6 | |
| ITF USA F23 | 08/16 16:05 | 26 | Strong Kirchheimer v Luis Patino | 6-3,6-2 | |
| ITF USA F23 | 08/14 14:00 | 25 | Strong Kirchheimer v Brian Shi | 6-1,7-6 | |
| ITF USA F22 | 08/09 17:05 | 26 | Strong Kirchheimer v Axel Geller | 6-4,3-6,2-6 | |
| ITF USA F22 | 08/08 18:35 | 25 | Strong Kirchheimer v Colin Markes | 6-3,7-6 | |
| Challenger Lexington Qual | 07/29 16:30 | 46 | Alex Rybakov v Strong Kirchheimer | 4-6,7-5,6-3 | |
| Challenger Lexington Qual | 07/28 17:40 | 45 | Nick Chappell v Strong Kirchheimer | 6-4,2-6,3-6 | |
| ITF USA F20 Qual | 07/22 15:00 | 62 | Strong Kirchheimer v Govind Nanda | Retired | |
| ITF USA F20 Qual | 07/21 15:00 | 62 | Strong Kirchheimer v Kaptan Kaster | 6-2,6-2 | |
| ITF USA F19B | 07/19 17:00 | 26 | Kareem Al Allaf v Strong Kirchheimer | 6-3,6-4 | |
| ITF USA F19B | 07/18 17:00 | 25 | Piotr Smietana v Strong Kirchheimer | 1-6,0-6 | |
| Challenger Winnetka Qual | 07/08 15:00 | 46 | Luke Saville v Strong Kirchheimer | 6-2,6-4 | |
| Challenger Winnetka Qual | 07/07 18:05 | 45 | Strong Kirchheimer v McClain Kessler | 6-1,7-5 | |
| ITF USA F18 | 06/29 15:30 | 27 | Jordi Arconada v Strong Kirchheimer | 7-6,5-7,6-3 | |
| ITF USA F18 | 06/28 17:00 | 26 | Axel Nefve v Strong Kirchheimer | 1-6,1-6 | |
| ITF USA F18 | 06/27 21:00 | 25 | Temur Ismailov v Strong Kirchheimer | 2-6,2-6 | |
| ITF USA F15 | 06/21 14:00 | 26 | Strong Kirchheimer v Karue Sell | 6-3,1-6,4-6 | |
| ITF USA F15 | 06/19 17:30 | 25 | Sem Verbeek v Strong Kirchheimer | 3-6,6-4,3-6 | |
| ITF USA F13 | 06/14 14:40 | 26 | Ryan Peniston v Strong Kirchheimer | 7-6,7-6 | |
| ITF USA F13 | 06/12 15:40 | 25 | Strong Kirchheimer v Samuel Monette | 6-3,7-5 | |
| Challenger - Savannah | 05/01 20:00 | 25 | Reilly Opelka v Strong Kirchheimer | 6-4,6-3 | |
| ITF USA F12 | 04/28 19:00 | 28 | Strong Kirchheimer v Juan M B Chavarriaga | 3-6,5-7 | |
| ITF USA F12 | 04/27 19:20 | 27 | Alejandro Tabilo v Strong Kirchheimer | 6-1,4-6,5-7 |