Stadium: Centre Court Round: 25
| ITF USA F31 | 2018/11/11 16:00 | Tybar, Maxim v Gardner, Kevin | 6-4,6-1 |
| ITF USA F20 Qual | 2018/07/21 15:00 | Gardner, Kevin v Johnston, Britton | 1-6,0-6 |
| ITF USA F15 Qual | 2018/06/16 15:30 | Gardner, Kevin v Mohanty, Arnav | 2-6,0-6 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Seraphim, Christian v Gardner, Kevin | 6-1,6-1 |
| Coupe Davis | 2018/05/28 15:00 | Gardner, Kevin v Richard Mallory | 6-7,2-6 |
| Porto Rico F1, Simples | 2016/12/18 13:30 | Jaycer Lyeons v Gardner, Kevin | 6-2,6-0 |
| ITF Dominican Rep F3 | 2016/12/10 17:30 | Bilis, Athanasios v Gardner, Kevin | 6-3,6-3 |
| ITF Dominican Republic F2 | 2016/12/04 13:00 | Dzhanashia, Shalva v Gardner, Kevin | 6-2,6-2 |