Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF - M15 Champaign | 2019/09/09 17:00 | Joe Tyler v Gabriel Diallo | 5-7,4-6 |
| ITF - M15 Champaign | 2019/09/08 17:30 | Jason Kerst v Gabriel Diallo | 4-6,3-6 |
| Challenger - Winnipeg | 2019/07/08 23:05 | Lucas Catarina v Gabriel Diallo | 6-3,6-2 |
| ITF Canada F7 | 2018/09/08 15:00 | Alex Hernandez v Gabriel Diallo | 7-5,6-2 |
| Challenger Playford 2 | 2019/10/29 01:55 | Luke Saville v Lucas Gerch | 7-6,6-3 |
| Challenger - Traralgon | 2019/10/23 00:25 | Andrew Harris v Lucas Gerch | 6-2,6-3 |
| Challenger - Fairfield | 2019/10/07 18:30 | Roberto Quiroz v Lucas Gerch | 6-3,6-3 |
| ITF M25 Norman | 2019/10/03 15:00 | Lucas Gerch v Evan Zhu | 5-7,6-4,3-6 |
| ITF M25 Norman | 2019/10/01 18:20 | Roy Smith v Lucas Gerch | 5-7,4-6 |
| ITF - M25 Santa Margherita | 2019/09/22 12:00 | Lucas Gerch v Thiemo De Bakker | 2-6,4-6 |
| ITF - M25 Santa Margherita | 2019/09/21 12:00 | Lucas Gerch v Gianluca Di Nicola | 6-2,2-6,6-2 |
| ITF - M25 Santa Margherita | 2019/09/19 15:20 | Lucas Gerch v Luciano Darderi | 3-6,6-2,6-2 |