Stadium: Court 18 Round: 44 Ground: Clay
| ITF M15 Cancun | 2019/10/12 14:00 | Knight, Alexander v Adamson, Alec | 6-2,1-6,2-6 |
| ITF M15 Cancun | 2019/10/11 14:00 | Knight, Alexander v El Midhawy, Adam | 6-4,2-6,7-6 |
| ITF M15 Cancun | 2019/10/09 14:00 | Knight, Alexander v Mayagoitia, Ricardo David | 6-3,7-5 |
| ITF M15 Cancun | 2019/10/07 17:30 | Knight, Alexander v Acob, Zandrix | 6-4,6-4 |
| Rochester, Singles M-ITF-USA-19A | 2019/06/24 17:00 | Knight, Alexander v Trey Hilderbrand | 6-7,4-6 |
| Orlando, Singles Qualifying M-ITF-USA-17A | 2019/06/19 13:00 | Strong Kirchheimer v Knight, Alexander | 6-2,6-4 |
| Orlando, Singles Qualifying M-ITF-USA-17A | 2019/06/18 13:00 | Knight, Alexander v Murillo, Sebastian | 6-0,7-6 |
| ITF M15 Champaign | 2019/06/04 15:00 | Knight, Alexander v Nathan Ponwith | 4-6,3-6 |
| Binghamton, USA | 2019/07/23 19:45 | Gabashvili, Teimuraz v Poling, Karl | 6-1,7-5 |
| Newport, USA | 2019/07/14 18:10 | Poling, Karl v Troicki, Viktor | 1-6,4-6 |
| ITF M15 Cancun | 2019/06/27 13:30 | Nick Chappell v Poling, Karl | 5-7,6-4,6-2 |
| ITF M15 Cancun | 2019/06/26 18:15 | Poling, Karl v Hiltzik, Aron | 7-6,6-0 |
| ITF M15 Cancun | 2019/06/24 17:00 | Poling, Karl v Stone, Zakai | 6-0,6-3 |
| ITF USA F29 | 2018/10/27 14:00 | Mwendwa Mbithi v Poling, Karl | 6-4,5-7,6-3 |
| ITF USA F18 | 2018/06/25 19:30 | Goetz, Ryan v Poling, Karl | 6-4,6-2 |
| ITF USA F18 | 2018/06/25 14:00 | Evan Bynoe v Poling, Karl | 3-6,3-6 |