Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| 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 Germany F5 | 2018/06/29 15:00 | Tim Ruehl v Voronin, Dimitriy | 6-4,6-4 |
| USA F26, Singles Qualifying | 2018/09/23 17:00 | Chang, Jonathan v Kelly, Robert | 2-6,2-6 |
| USA F26, Singles Qualifying | 2018/09/22 16:30 | Chang, Jonathan v Sorbo, Jonathan | 6-2,6-1 |
| Challenger Columbus | 2018/09/15 17:00 | Rodriguez-Pace, Ricardo v Chang, Jonathan | 6-4,6-7,6-2 |
| ITF USA F21 | 2018/08/01 18:55 | Chang, Jonathan v Joyce, Martin | 6-2,3-6,2-6 |
| ITF USA F21 Qual | 2018/07/31 17:05 | Chang, Jonathan v Brymer, Gage | 6-4,6-2 |
| ITF USA F21 Qual | 2018/07/30 15:00 | Chang, Jonathan v Blumenberg, Alex | 6-2,6-1 |
| ITF USA F21 Qual | 2018/07/28 17:00 | Chang, Jonathan v Metz, David | 6-2,6-0 |
| ITF USA F20 | 2018/07/25 17:20 | Chang, Jonathan v Petros Chrysochos | 0-6,6-3,4-6 |