Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/08/29 17:05 | Federico Zeballos v George Goldhoff | 6-7,6-1,6-2 |
| ITF M15 Cancun | 2019/08/28 15:50 | Hernandez Serrano, Juan Alejandro v George Goldhoff | 4-6,1-6 |
| ITF M15 Cancun | 2019/08/26 18:15 | George Goldhoff v Force, Charles | 6-3,6-4 |
| ITF M15 Cancun | 2019/08/20 14:00 | George Goldhoff v Jaimee Floyd Angele | 4-6,2-6 |
| ITF M25 Memphis | 2019/08/12 19:55 | George Goldhoff v Zapp, Logan | 5-7,6-7 |
| ITF M25 Edwardsville | 2019/08/06 14:00 | George Goldhoff v Ross, Gianni | 6-7,6-1,3-10 |
| ITF M25 Edwardsville | 2019/08/05 14:00 | George Goldhoff v Valencia, Alejandro | 6-1,6-3 |
| ITF M15 Pittsburgh | 2019/07/02 14:00 | Tikhomirov, Maksim v George Goldhoff | 7-6,1-6,7-6 |
| ITF - M25 Pensacola | 2019/05/06 14:00 | Sinn, Maximilian v Keist, Luca | 1-6,1-6 |
| USA F34, Singles | 2018/11/25 16:00 | Sinn, Maximilian v Frantzen, Constantin | 4-6,3-6 |
| USA F34, Singles | 2018/11/24 18:30 | Li, Chenhe v Sinn, Maximilian | 4-6,4-6 |
| ITF USA F32 | 2018/11/09 17:00 | Sinn, Maximilian v Joseph Corse | 2-6,1-6 |
| ITF Germany F11 | 2018/08/05 08:00 | Guell Bartrina, Eduard v Sinn, Maximilian | 6-0,6-0 |
| ITF USA F37 | 2017/11/10 17:00 | Bryde, Trent v Sinn, Maximilian | 7-5,6-1 |
| ITF Germany F10 | 2017/08/06 08:00 | Sinn, Maximilian v von Hindte, Leonard | 1-6,3-6 |
| ITF Germany F8 Qual | 2017/07/16 08:30 | Kapshuk, Artem v Sinn, Maximilian | 6-1,6-1 |