Stadium: C Round: 46
| Challenger Lexington Qual | 2018/07/28 16:40 | Alex Rybakov v Julian Bradley | 6-1,6-3 |
| Challenger Binghamton | 2018/07/26 13:00 | Edan Leshem v Alex Rybakov | 6-4,6-3 |
| ATP Newport Qual | 2018/07/16 15:00 | Alex Rybakov v Alex Bolt | 3-6,6-3,3-6 |
| ATP Newport Qual | 2018/07/15 15:00 | Mohamed Safwat v Alex Rybakov | 3-6,3-6 |
| Challenger Winnetka Qual | 2018/07/09 15:00 | Mohamed Aziz Dougaz v Alex Rybakov | 7-6,6-4 |
| Challenger Winnetka Qual | 2018/07/08 16:50 | Osgar O'Hoisin v Alex Rybakov | 3-6,3-6 |
| Challenger Winnetka Qual | 2018/07/07 20:55 | Aleksandar Kovacevic v Alex Rybakov | 1-6,7-6,2-6 |
| ITF USA F16 | 2018/06/24 14:30 | Markos Kalovelonis v Alex Rybakov | 1-6,6-7 |
| Challenger Lexington Qual | 2018/07/28 17:40 | Nick Chappell v Strong Kirchheimer | 6-4,2-6,3-6 |
| ITF USA F20 Qual | 2018/07/21 15:00 | Strong Kirchheimer v Kaptan Kaster | 6-2,6-2 |
| ITF USA F19B | 2018/07/19 17:00 | Kareem Allaf v Strong Kirchheimer | 6-3,6-4 |
| ITF USA F19B | 2018/07/18 17:00 | Piotr Smietana v Strong Kirchheimer | 1-6,0-6 |
| Challenger Winnetka Qual | 2018/07/08 15:00 | Luke Saville v Strong Kirchheimer | 6-2,6-4 |
| Challenger Winnetka Qual | 2018/07/07 18:05 | Strong Kirchheimer v McClain Kessler | 6-1,7-5 |
| ITF USA F18 | 2018/06/29 15:30 | Jordi Arconada v Strong Kirchheimer | 7-6,5-7,6-3 |
| ITF USA F18 | 2018/06/28 17:00 | Axel Nefve v Strong Kirchheimer | 1-6,1-6 |