Stadium: Court 6 Round: 54 Ground: Clay
| ITF M25 Calabasas | 2019/03/18 17:00 | Alan Kohen v Strong Kirchheimer | 7-6,7-6 |
| ITF M25 Bakersfield | 2019/03/15 19:15 | Jenson Brooksby v Strong Kirchheimer | 6-2,6-3 |
| ITF M25 Bakersfield | 2019/03/14 23:50 | Strong Kirchheimer v Tobias Simon | 6-4,6-2 |
| ITF M25 Bakersfield | 2019/03/12 21:55 | Drew Baird v Strong Kirchheimer | 5-7,4-6 |
| ITF M15 Tucson | 2019/02/14 21:45 | Liam Draxl v Strong Kirchheimer | 6-3,7-5 |
| ITF M25 Weston | 2019/01/31 15:00 | Joao Lucas Reis da Silva v Strong Kirchheimer | 6-4,7-5 |
| ITF M25 Weston | 2019/01/30 17:35 | Strong Kirchheimer v Sekou Bangoura | 6-4,6-3 |
| ITF M25 Palm Coast | 2019/01/22 15:00 | Harrison Adams v Strong Kirchheimer | 2-6,7-5,6-4 |
| ITF M15 Sunrise | 2019/04/08 15:00 | JanMagnus Johnson v Grey Hamilton | 6-2,7-5 |
| ITF M25 Weston | 2019/01/28 14:30 | Jose Olivares v JanMagnus Johnson | 6-2,6-3 |
| ITF M15 Naples | 2019/01/16 20:00 | Nicolas Mejia v JanMagnus Johnson | 0-6,6-2,6-0 |
| ITF USA F5 | 2017/01/21 18:00 | Vasil Kirkov v JanMagnus Johnson | 6-4,6-1 |
| ITF USA F4 | 2017/01/13 13:30 | JanMagnus Johnson v Jonathan Chang | 5-7,0-6 |