Stadium: Court 2N Round: 25 Ground: Hardcourt outdoor
| ITF M25 Decatur | 2021/08/02 15:00 | Bybel, Nicholas v Brown, Alexander | 6-4,6-1 |
| ITF M25 Champaign | 2021/07/26 15:00 | Brown, Alexander v Bruno Kuzuhara | 4-6,6-2,6-10 |
| ITF M15 Edwardsville | 2021/07/21 17:20 | Brown, Alexander v Takeuchi, Kento (1987) | 6-1,2-6,2-6 |
| ITF M15 Champaign | 2021/06/23 22:30 | Pervolarakis, Michail v Brown, Alexander | 6-3,6-0 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/14 18:00 | Brown, Alexander v Bryde, Trent | 3-6,0-6 |
| ITF M25 Wichita | 2021/06/09 21:00 | Mcnally, John v Brown, Alexander | 6-4,6-2 |
| Challenger Columbus | 2020/02/25 15:00 | Brown, Alexander v Haerteis, Johannes | 3-6,6-7 |
| Challenger - Cleveland | 2020/02/10 18:45 | Brown, Alexander v Sarmiento, Raymond | 4-6,2-6 |
| UTR Pro Tennis Series Dallas | 2021/08/13 14:30 | Stefan Storch v A.J Catanzariti | 6-4,6-4 |
| UTR Pro Tennis Series Dallas | 2021/08/11 15:30 | A.J Catanzariti v Bastola, Abhishek | 6-4,6-1 |
| UTR Pro Tennis Series Dallas | 2021/08/09 21:30 | A.J Catanzariti v Sema Pankin | 6-3,5-2 |
| UTR Pro Tennis Series Dallas | 2021/08/08 16:30 | A.J Catanzariti v Huynh, Phuc | 4-6,6-3,6-0 |
| UTR Pro Tennis Series Dallas | 2021/08/07 17:30 | Kiger, Mac v A.J Catanzariti | 7-5,1-6,5-3 |
| UTR Pro Tennis Series Dallas | 2021/08/06 13:00 | Bastola, Abhishek v A.J Catanzariti | 4-6,1-6 |
| UTR Pro Tennis Series Dallas | 2021/08/05 17:30 | Evan Zhu v A.J Catanzariti | 6-2,3-6,3-6 |
| UTR Pro Tennis Series Dallas | 2021/08/04 13:00 | Matt Kuhar v A.J Catanzariti | 7-5,2-6,0-6 |