Stadium: Brenda Meyers Court Round: 26 Ground: Hardcourt indoor
| Challenger Charlottesville | 2018/10/30 16:40 | Bradley Klahn v Denis Yevseyev | 6-3,2-6,6-3 |
| ATP Vienna | 2018/10/20 09:00 | Sergiy Stakhovsky v Bradley Klahn | 6-7,6-4,6-4 |
| ATP Stockholm | 2018/10/18 17:30 | John Isner v Bradley Klahn | 7-6,6-7,7-6 |
| ATP Stockholm | 2018/10/16 17:35 | Bradley Klahn v Marius Copil | 6-2,3-6,6-4 |
| ATP Shanghai | 2018/10/09 12:20 | Bradley Klahn v Borna Coric | 4-6,2-6 |
| ATP Shanghai | 2018/10/08 10:35 | Bradley Klahn v Nick Kyrgios | 4-6,6-4,6-3 |
| ATP Shanghai | 2018/10/07 04:00 | Bradley Klahn v Taro Daniel | 7-6,7-6 |
| ATP Shanghai | 2018/10/06 04:00 | Tennys Sandgren v Bradley Klahn | 6-4,3-6,4-6 |
| Challenger Charlottesville | 2018/10/29 17:25 | James Ward v Christopher Eubanks | 6-1,6-4 |
| Challenger Las Vegas | 2018/10/23 21:05 | Lloyd Harris v James Ward | 6-4,6-4 |
| Challenger Ismaning | 2018/10/17 11:00 | James Ward v Matteo Viola | 5-7,6-1,6-7 |
| Challenger Ismaning | 2018/10/15 15:45 | Quentin Halys v James Ward | 7-6,3-6,6-7 |
| ATP Shenzhen | 2018/09/22 07:00 | Jason Jung v James Ward | 6-4,7-6 |
| Challenger Kaohsiung | 2018/09/17 06:50 | Lloyd Harris v James Ward | 6-7,6-3,6-2 |
| Challenger Istanbul | 2018/09/11 09:10 | Oscar Otte v James Ward | 6-3,6-3 |
| Challenger Cassis | 2018/09/08 13:30 | James Ward v Ugo Humbert | 6-7,4-6 |