| UTR Pro Tennis Series Florida | 2020/12/14 14:00 | Strong Kirchheimer v Ross, Matthis | 1-6,7-6,6-3 |
| Orlando, USA | 2020/11/14 16:55 | Strong Kirchheimer v Doumbia, Sadio | 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 |
| ITF M15 Castelo Branco | 2020/09/26 09:00 | Balzerani, Riccardo v Strong Kirchheimer | 1-6,3-6 |
| ITF M15 Castelo Branco | 2020/09/25 10:40 | Joao Lucas Reis da Silva v Strong Kirchheimer | 6-3,6-7,2-6 |
| ITF M15 Castelo Branco | 2020/09/24 16:50 | Leopold Zima v Strong Kirchheimer | 4-6,4-6 |
| UTR Pro Tennis Series Florida | 2020/12/15 14:00 | Ross, Matthis v Yatsuk, Ivan | 6-4,6-1 |
| UTR Pro Tennis Series Florida | 2020/12/14 20:00 | Yatsuk, Ivan v Chase Ferguson | 6-4,2-6,5-1 |
| International Tennis Series | 2020/08/01 14:40 | Yatsuk, Ivan v Thirouin, Jean | 2-6,3-6 |
| International Tennis Series | 2020/08/01 12:00 | Ore, I. A. v Yatsuk, Ivan | 4-6,5-7 |
| International Tennis Series | 2020/07/19 15:50 | Yatsuk, Ivan v Butsch, Justin | 6-4,4-6,6-10 |
| International Tennis Series | 2020/07/19 14:00 | Grigoriy Lomakin v Yatsuk, Ivan | 2-6,6-7 |
| International Tennis Series | 2020/07/18 14:40 | Yatsuk, Ivan v Mercier, Tyler | 7-6,7-6 |
| International Tennis Series | 2020/07/18 12:00 | Eguez, Sebastian v Yatsuk, Ivan | 1-6,1-6 |