Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Champaign | 2019/06/03 15:00 | Knight, Alexander v Zapata, Sebastian | 6-1,6-1 |
| ITF - M15 Sunrise | 2019/04/11 14:00 | Sebastian Korda v Knight, Alexander | 3-6,6-1,6-3 |
| ITF - M15 Sunrise | 2019/04/10 18:45 | Knight, Alexander v Ore, I. A. | 6-3,5-7,7-5 |
| ITF - M15 Sunrise | 2019/04/09 14:00 | Rowland Phillips v Knight, Alexander | 1-6,6-4,9-11 |
| ITF M15 Cancun | 2019/07/15 17:30 | Villar, Yeudy v Acob, Zandrix | 6-2,6-0 |
| ITF M15 Cancun | 2019/07/10 13:30 | Acob, Zandrix v Jhun, Alexander | 3-6,6-3,4-6 |
| ITF M15 Cancun | 2019/07/08 17:30 | Bierman, Rikhardt v Acob, Zandrix | 1-6,4-6 |
| ITF M15 Cancun | 2019/07/08 13:30 | Sanchez, Erick v Acob, Zandrix | 1-6,1-6 |
| ITF South Africa F3 Qual | 2018/12/01 09:00 | Acob, Zandrix v Worst, Christiaan | 3-6,3-6 |
| Afrique du Sud F2, Qualifications Simples | 2018/11/25 09:00 | Acob, Zandrix v Thirouin, Jean | 4-6,0-6 |
| Afrique du Sud F2, Qualifications Simples | 2018/11/24 13:00 | Acob, Zandrix v Terblanche, Ethan | 6-0,6-0 |
| ITF South Africa F1 | 2018/11/20 12:25 | Acob, Zandrix v Nagy, Peter | 1-6,3-6 |