Stadium: N5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2019/09/09 17:00 | AL Allaf, Kareem v Pickens, A.trice | 6-2,6-1 |
| ITF M25 Decatur | 2019/07/31 17:35 | Hiltzik, Aron v AL Allaf, Kareem | 5-7,6-2,6-1 |
| ITF M25 Decatur | 2019/07/30 15:00 | AL Allaf, Kareem v Kros, Jason | 6-3,6-4 |
| ITF M25 Champaign | 2019/07/25 17:00 | Keenan Mayo v AL Allaf, Kareem | 7-5,6-7,7-5 |
| ITF M25 Champaign | 2019/07/24 21:05 | AL Allaf, Kareem v Kessler, Mcclain | 6-4,6-2 |
| ITF M25 Champaign | 2019/07/23 15:00 | AL Allaf, Kareem v Gomes, Gui | 6-3,6-2 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/17 16:20 | Mark Whitehouse v AL Allaf, Kareem | 6-3,6-4 |
| Coupe Davis | 2019/06/29 05:05 | Nam Hoang Ly v AL Allaf, Kareem | 6-7,6-1,6-0 |
| ITF M15 Lambare | 2019/08/22 17:40 | Gonzalo Villanueva v Blumenberg, Alex | 6-3,6-3 |
| ITF M15 Lambare | 2019/08/21 20:15 | Blumenberg, Alex v Fernando Yamacita | 7-5,6-3 |
| La Paz, Singles M-ITF-BOL-02A | 2019/08/16 14:00 | Blumenberg, Alex v Hinsching, Joao | 4-6,6-7 |
| La Paz, Singles M-ITF-BOL-02A | 2019/08/15 16:40 | Blumenberg, Alex v Gimenez, J. | 6-3,6-2 |
| La Paz, Singles M-ITF-BOL-02A | 2019/08/14 14:00 | Fermin Tenti v Blumenberg, Alex | 6-7,3-6 |
| ITF M15 Santa Cruz | 2019/08/10 22:15 | Juan Sebastian Gomez v Blumenberg, Alex | 7-5,7-6 |
| ITF M15 Santa Cruz | 2019/08/09 22:00 | Blumenberg, Alex v Mariano Navone | 6-4,6-7,6-4 |
| ITF M15 Santa Cruz | 2019/08/08 22:00 | Mendoza, Alejandro v Blumenberg, Alex | 6-3,3-6,2-6 |