| ITF USA F27 | 2018/10/08 16:50 | Tim Ruehl v Chang, Jonathan | 1-6,6-7 |
| ITF USA F27 | 2018/10/07 15:00 | Tim Ruehl v Noah Schachter | 6-4,6-2 |
| ITF USA F27 | 2018/10/06 18:00 | Tim Ruehl v Boyer, Toby D | 6-7,6-4,6-2 |
| ITF USA F26 | 2018/09/27 17:00 | Tim Ruehl v Strong Kirchheimer | 1-6,3-6 |
| ITF USA F26 | 2018/09/26 18:30 | Tim Ruehl v Henrik Wiersholm | 1-6,6-2,7-6 |
| ITF USA F25 | 2018/09/19 17:00 | Tim Ruehl v Redlicki, Martin | 0-6,6-4,3-6 |
| ITF Germany F7 | 2018/07/11 15:00 | Tim Ruehl v Niklas Schell | 5-7,6-7 |
| ITF Germany F5 | 2018/06/30 12:40 | Tim Ruehl v Bangoura, Sekou | 5-7,5-7 |
| ITF USA F29 | 2018/10/26 18:00 | Valencia, Alejandro v Mercer, J | 6-4,7-5 |
| ITF USA F18 | 2018/06/25 14:00 | Arconada, Jordi v Mercer, J | 6-4,6-1 |
| ITF USA F18 | 2018/06/24 14:00 | Gore, Rico v Mercer, J | 1-6,1-6 |