Estadio: V5 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Fort Worth | 2019/10/20 15:00 | Constantin Frantzen v Ricardo Alban | 6-3,6-0 |
| ITF M25 Waco | 2019/10/13 15:00 | Constantin Frantzen v Alexander Lebedev | 6-7,2-6 |
| ITF EE. UU. F34 | 2018/11/26 21:15 | Michael Geerts v Constantin Frantzen | 6-7,6-2,6-4 |
| ITF EE. UU. F34 | 2018/11/25 16:00 | Maximilian Sinn v Constantin Frantzen | 4-6,3-6 |
| ITF EE. UU. F34 | 2018/11/24 16:00 | Trey Hilderbrand v Constantin Frantzen | 1-6,7-5,5-7 |
| ITF EE. UU. F39 | 2017/11/29 16:00 | Constantin Frantzen v Karue Sell | 4-6,1-6 |
| ITF EE. UU. F39 | 2017/11/27 22:40 | Constantin Frantzen v Bjoern Petersen | 6-1,3-6,6-4 |
| ITF EE. UU. F39 - Clasificación | 2016/11/26 15:00 | Constantin Frantzen v Hunter Johnson | 4-6,4-6 |
| ITF M25 Norman | 2019/10/04 18:10 | Spencer Papa v Michael Geerts | 4-6,6-7 |
| ITF M25 Norman | 2019/10/03 15:00 | Spencer Papa v Nathan Ponwith | 6-2,7-6 |
| ITF M25 Norman | 2019/10/01 20:30 | Ben Patael v Spencer Papa | 3-6,3-6 |
| ITF M25 Houston | 2019/09/17 17:00 | Dragos Constantin Ignat v Spencer Papa | 6-2,6-2 |
| ITF M25 Houston | 2019/09/16 14:00 | Rodrigo Banzer v Spencer Papa | 1-6,4-6 |
| ITF M25 Houston | 2019/09/15 14:00 | Karol Paluch v Spencer Papa | 2-6,3-6 |
| ITF M15 Norman | 2019/07/11 14:00 | Spencer Papa v Nathan Ponwith | 6-7,4-6 |
| ITF M15 Norman | 2019/07/10 14:00 | Spencer Papa v Reese Stalder | 6-4,6-1 |