Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Wichita | 2021/06/07 15:00 | Charles Broom v Mark Mandlik | 5-7,4-6 |
| ITF M25 Santo Domingo | 2021/05/31 13:00 | Mark Mandlik v Sergio Luis H Ramirez | 6-4,5-7,6-10 |
| ITF M25 Santo Domingo | 2021/05/30 15:30 | Edward Lewis v Mark Mandlik | 0-6,1-6 |
| International Tennis Series | 2020/06/11 14:25 | Mark Mandlik v Tommaso Carnevale-Miino | 6-3,6-4 |
| International Tennis Series | 2020/06/11 12:45 | Mark Mandlik v Junior Alexander Ore | 6-3,1-6,8-10 |
| International Tennis Series | 2020/06/08 20:40 | Mark Mandlik v Tommaso Carnevale-Miino | 6-4,6-0 |
| International Tennis Series | 2020/06/08 13:20 | Mark Mandlik v Sam Lapides | 6-4,6-2 |
| International Tennis Series | 2020/06/05 19:45 | Mark Mandlik v Liam Draxl | 6-4,4-6,5-10 |
| ITF M25 Wichita | 2021/06/07 15:00 | Gabriel Diallo v Eric Hadigian | 6-2,7-6 |
| Challenger Calgary | 2020/02/25 21:30 | Gage Brymer v Gabriel Diallo | 6-2,7-6 |
| ITF M15 East Lansing | 2019/11/19 15:00 | Millen Hurrion v Gabriel Diallo | 6-2,4-6,10-4 |
| ITF M25 Malibu | 2019/11/06 19:35 | Gabriel Diallo v Lucas Gerch | 6-4,6-7,6-7 |
| ITF M25 Malibu | 2019/11/05 21:05 | Gabriel Diallo v George Goldhoff | 3-6,6-3,11-9 |
| ITF M25 Malibu | 2019/11/04 18:00 | Logan Smith v Gabriel Diallo | 3-6,0-6 |
| ITF M15 Champaign | 2019/09/12 22:25 | Gabriel Diallo v Ezekiel Clark | 3-6,3-6 |
| ITF M15 Champaign | 2019/09/11 19:30 | Joshua Paris v Gabriel Diallo | 6-2,6-7,2-6 |