Stadium: Court 3 Round: 46 Ground: Hardcourt indoor
| Challenger Columbus | 2018/09/15 14:00 | Alex Kobelt v Seelig, Kyle | 4-6,2-6 |
| ITF USA F21 | 2018/08/01 16:30 | Maxime Cressy v Seelig, Kyle | 7-6,7-6 |
| ITF USA F20 Qual | 2018/07/23 15:00 | Seelig, Kyle v Ortlip, Joshua | 0-6,1-6 |
| ITF USA F20 Qual | 2018/07/22 15:00 | Redlicki, Michael v Seelig, Kyle | 6-3,1-6,2-6 |
| ITF USA F19B Qual | 2018/07/14 17:30 | Seelig, Kyle v Alexander Brown | 2-6,2-6 |
| ITF USA F38 | 2017/11/21 18:10 | Seelig, Kyle v Monette, Samuel | 3-6,4-6 |
| Challenger Columbus | 2017/09/19 20:35 | Krajicek, Austin v Seelig, Kyle | 6-4,6-2 |
| ITF USA F22 | 2017/06/28 15:55 | Torpegaard, Mikael v Seelig, Kyle | 6-2,7-5 |
| Challenger Columbus | 2018/09/15 14:00 | Strong Kirchheimer v Blake Ellis | 6-1,6-4 |
| Challenger Cary | 2018/09/09 14:00 | Wolf, Jeffrey John v Strong Kirchheimer | 6-4,4-6,6-2 |
| Challenger Cary | 2018/09/08 16:00 | Strong Kirchheimer v Vivero Gonzalez, Pablo | 6-3,3-6,6-2 |
| Challenger Chicago | 2018/09/02 19:25 | Hiltzik, Jared v Strong Kirchheimer | 7-5,7-6 |
| ITF USA F23 | 2018/08/17 14:00 | Strong Kirchheimer v Bangoura, Sekou | 6-7,2-6 |
| ITF USA F23 | 2018/08/16 16:05 | Strong Kirchheimer v Patino, Luis | 6-3,6-2 |
| ITF USA F23 | 2018/08/14 14:00 | Strong Kirchheimer v Shi, Brian | 6-1,7-6 |
| ITF USA F22 | 2018/08/09 17:05 | Strong Kirchheimer v Geller, Axel | 6-4,3-6,2-6 |