Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Columbus | 2018/09/15 15:30 | Tim Seibert v Luke Saville | 2-6,4-6 |
| ITF Germany F8 | 2018/07/18 16:10 | Orlando Luz v Tim Seibert | 4-6,6-1,6-3 |
| ITF Germany F8 Qual | 2018/07/16 10:30 | Tim Seibert v Niklas Guttau | 6-7,7-6,6-2 |
| ITF Germany F8 Qual | 2018/07/15 12:30 | Karol Drzewiecki v Tim Seibert | 5-7,2-6 |
| ITF Germany F5 | 2018/06/26 13:40 | Tim Seibert v Christian Hirschmueller | 2-6,6-3,3-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Kai Lemstra v Tim Seibert | 3-6,1-6 |
| ITF Germany F16 | 2017/10/22 08:00 | Tim Seibert v Valentin Guenther | 6-4,3-6,4-6 |
| ITF Germany F15 | 2017/10/16 08:00 | Ryan Peniston v Tim Seibert | 6-1,6-4 |
| ITF USA F31 | 2018/11/13 19:55 | Henry Craig v Diego Hidalgo | 6-3,2-6,5-7 |
| ITF USA F28B | 2018/10/22 18:40 | Maxime Cressy v Henry Craig | 6-3,2-6,7-6 |
| ITF USA F28 | 2018/10/17 16:00 | Nuno Borges v Henry Craig | 3-6,6-3,6-4 |
| Challenger Stockton | 2018/09/30 20:35 | Henry Craig v Alexander Sarkissian | 2-6,2-6 |
| Challenger Stockton | 2018/09/29 19:25 | Evan Zhu v Henry Craig | 3-6,6-7 |
| ITF USA F25 | 2018/09/22 18:25 | Brandon Nakashima v Henry Craig | 7-5,2-6,6-4 |
| ITF USA F25 | 2018/09/21 17:00 | Alessandro-D Ventre v Henry Craig | 1-6,5-7 |
| ITF USA F25 | 2018/09/20 19:05 | Govind Nanda v Henry Craig | 3-6,2-6 |