| UTR Pro Tennis Series Florida | 2021/01/11 15:30 | Strong Kirchheimer v Matt Kuhar | 6-3,6-4 |
| UTR Pro Tennis Series Florida | 2020/12/17 16:00 | Strong Kirchheimer v Dusty H. Boyer | 5-7,4-5 |
| UTR Pro Tennis Series Florida | 2020/12/16 18:00 | Strong Kirchheimer v Ivan Yatsuk | 6-0,6-1 |
| UTR Pro Tennis Series Florida | 2020/12/14 14:00 | Strong Kirchheimer v Matthis Ross | 1-6,7-6,6-3 |
| Challenger Orlando | 2020/11/14 16:55 | Strong Kirchheimer v Sadio Doumbia | 6-3,5-7,2-6 |
| Challenger Cary | 2020/11/07 15:00 | Strong Kirchheimer v Alexander Ritschard | 3-6,4-6 |
| ITF M15 Forbach | 2020/09/30 11:45 | Strong Kirchheimer v Antoine Bellier | 6-7,4-6 |
| ITF M15 Castelo Branco | 2020/09/27 11:00 | Strong Kirchheimer v Lucas Catarina | 3-6,6-2,6-7 |
| UTR Pro Tennis Series Florida | 2021/01/11 15:30 | Mesa Mei v Juan David Velasquez | 6-4,6-2 |