Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Champaign | 2019/07/23 19:10 | Alec Adamson v Aron Hiltzik | 7-6,7-6 |
| ITF M25 Iowa City | 2019/07/16 15:00 | Aron Hiltzik v Gianni Ross | 3-6,4-6 |
| ITF M25 Iowa City | 2019/07/15 15:00 | Aron Hiltzik v Abraham Asaba | 6-4,6-2 |
| ITF M15 Cancun | 2019/07/02 13:30 | Aron Hiltzik v Alan F R Fierros | 4-6,6-3,3-6 |
| ITF M15 Cancun | 2019/06/26 18:15 | Karl Poling v Aron Hiltzik | 7-6,6-0 |
| ITF M25 Tulsa | 2019/06/18 15:00 | Aron Hiltzik v Mate Zsiga | 4-6,7-6,4-10 |
| ITF M25 Tulsa | 2019/06/17 15:00 | Aron Hiltzik v Joshua Sheehy | 6-3,6-4 |
| ITF M15 Champaign | 2019/06/04 17:00 | Vuk Budic v Aron Hiltzik | 1-6,7-5,7-6 |
| ITF M25 Decatur | 2019/07/30 15:00 | Kareem Allaf v Jason Kros | 6-3,6-4 |
| ITF M25 Champaign | 2019/07/25 17:00 | Keenan Mayo v Kareem Allaf | 7-5,6-7,7-5 |
| ITF M25 Champaign | 2019/07/24 21:05 | Kareem Allaf v McClain Kessler | 6-4,6-2 |
| ITF M25 Champaign | 2019/07/23 15:00 | Kareem Allaf v Gui Gomes | 6-3,6-2 |
| ITF M25 Iowa City | 2019/07/17 16:20 | Mark Whitehouse v Kareem Allaf | 6-3,6-4 |
| Davis Cup | 2019/06/29 05:05 | Nam Hoang Ly v Kareem Allaf | 6-7,6-1,6-0 |
| Davis Cup | 2019/06/28 04:55 | Kareem Allaf v Shamirul S Mohd Adam Das | 6-0,6-1 |
| Davis Cup | 2019/06/27 05:00 | Mubarak Shannan Zayid v Kareem Allaf | 3-6,1-6 |