Stadium: Court 5 Round: 46 Ground: Hardcourt indoor
| Challenger - Knoxville | 2018/11/04 21:45 | Denis Yevseyev v Jared Hiltzik | 7-6,7-5 |
| Challenger - Charlottesville | 2018/10/30 16:40 | Bradley Klahn v Denis Yevseyev | 6-3,2-6,6-3 |
| Challenger - Charlottesville | 2018/10/29 16:10 | Jared Hiltzik v Denis Yevseyev | 2-6,0-6 |
| Challenger Charlottesville Qual | 2018/10/28 14:00 | Alejandro Gomez v Denis Yevseyev | 2-6,5-7 |
| Challenger Charlottesville Qual | 2018/10/27 18:00 | Tom Fawcett v Denis Yevseyev | 1-6,4-6 |
| ITF USA F28 | 2018/10/20 15:35 | Denis Yevseyev v Andrew Watson | 4-6,6-4,4-6 |
| ITF USA F28 | 2018/10/19 17:30 | Denis Yevseyev v Ryan Peniston | 6-4,5-7,7-5 |
| ITF USA F28 | 2018/10/18 15:30 | Denis Yevseyev v Trent Bryde | 7-6,6-1 |
| Challenger - Knoxville | 2018/11/04 22:45 | Nathaniel Lammons v Daniel Nguyen | 6-4,3-6,6-4 |
| Challenger Bastad Qual | 2018/07/07 10:40 | Nathaniel Lammons v Sam Taylor | 6-4,3-6,4-6 |
| Challenger Loughborough Qual | 2018/05/19 10:35 | Alexis Canter v Nathaniel Lammons | 6-3,7-6 |
| Challenger Lisbon Qual | 2018/05/13 12:20 | David Vega Hernandez v Nathaniel Lammons | 6-2,3-6,6-2 |
| Challenger Lisbon Qual | 2018/05/12 11:40 | Goncalo Falcao v Nathaniel Lammons | 6-2,5-7,4-6 |
| Challenger Savannah Qual | 2018/04/28 18:35 | Karue Sell v Nathaniel Lammons | 6-4,6-4 |
| Challenger Tallahassee Qual | 2018/04/21 17:30 | Nathaniel Lammons v Yoshihito Nishioka | 2-6,0-6 |
| Challenger Tallahassee Qual | 2018/04/21 14:00 | Nathaniel Lammons v Robert Galloway | 7-5,6-4 |