Stadium: Court N1 Round: 27 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Dallas | 2021/08/30 16:00 | Jacob Brumm v Colin Markes | 1-6,5-7 |
| UTR Pro Tennis Series California | 2021/08/28 16:30 | Colin Markes v Lucas Gomez | 6-2,4-6,3-6 |
| UTR Pro Tennis Series California | 2021/08/27 21:00 | Ryan Seggerman v Colin Markes | 2-6,6-7 |
| UTR Pro Tennis Series California | 2021/08/24 20:00 | Colin Markes v Alfredo Perez | 3-6,5-6 |
| UTR Pro Tennis Series California | 2021/08/23 21:00 | Colin Markes v Warren Wood | 6-1,6-4 |
| UTR Pro Tennis Series California | 2021/08/22 16:30 | Colin Markes v Keenan Mayo | 6-1,0-6,5-4 |
| UTR Pro Tennis Series Dallas | 2021/08/12 15:30 | Colin Markes v Peter Murphy | 5-7,5-7 |
| UTR Pro Tennis Series Dallas | 2021/08/11 13:00 | Colin Markes v Ryuhei Azuma | 2-6,1-6 |
| ITF M15 Champaign | 2019/09/12 17:30 | Tom Fawcett v Kareem Allaf | 0-6,6-4,6-3 |
| ITF M15 Champaign | 2019/09/11 16:00 | Kareem Allaf v Alex Blumenberg | 7-6,4-6,6-3 |
| ITF M15 Champaign | 2019/09/09 17:00 | Kareem Allaf v A.trice Pickens | 6-2,6-1 |
| ITF M25 Decatur | 2019/07/31 17:35 | Aron Hiltzik v Kareem Allaf | 5-7,6-2,6-1 |
| 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 |