Stadium: Court 5 Round: 25 Ground: Clay
| ITF M15 - Champaign | 2019/06/05 23:30 | Kareem Allaf v Keenan Mayo | 6-4,6-4 |
| ITF M25 Tucson | 2019/01/08 20:25 | Jordi Arconada v Keenan Mayo | 6-4,6-3 |
| ITF M25 - Los Angeles | 2019/01/03 18:00 | Keenan Mayo v Emilio Gomez | 0-6,1-6 |
| ITF M25 - Los Angeles | 2019/01/01 21:15 | Keenan Mayo v Tristan Boyer | 6-2,7-6 |
| Challenger - Champaign | 2018/11/14 00:00 | Ryan Shane v Keenan Mayo | 6-3,6-4 |
| Challenger - Champaign | 2018/11/11 18:45 | Sem Verbeek v Keenan Mayo | 6-7,6-7 |
| Challenger - Champaign | 2018/11/10 20:20 | Keenan Mayo v Maxime Mora | 4-6,7-6,6-3 |
| ITF USA F27 | 2018/10/06 15:00 | Gabriel Diaz Freire v Keenan Mayo | 2-6,6-3,6-2 |
| ITF USA F5 | 2018/01/19 13:00 | Hunter Heck v Carson Haskins | 0-6,0-6 |