Stadium: Central Round: 25 Ground: Hardcourt outdoor
| ATP Houston Qual | 2018/04/08 16:00 | Yoshihito Nishioka v Bradley Klahn | 6-2,6-0 |
| ATP Houston Qual | 2018/04/07 17:30 | Christopher Eubanks v Bradley Klahn | 6-7,6-4,6-7 |
| Challenger Le Gosier | 2018/03/30 19:00 | Dusan Lajovic v Bradley Klahn | 7-6,2-6,6-3 |
| Challenger Le Gosier | 2018/03/29 19:00 | Christian Harrison v Bradley Klahn | 6-3,6-7,4-6 |
| Challenger Le Gosier | 2018/03/28 22:45 | Alexander Ward v Bradley Klahn | 2-6,0-6 |
| ATP Miami Qual | 2018/03/19 19:20 | Taro Daniel v Bradley Klahn | 6-4,6-4 |
| ATP Indian Wells | 2018/03/10 03:20 | Thomas Fabbiano v Bradley Klahn | 6-4,6-4 |
| Challenger Indian Wells | 2018/02/27 18:00 | Bradley Klahn v Jeremy Chardy | 3-6,4-6 |
| Challenger Leon | 2018/04/24 21:05 | Bradley Mousley v Dennis Novikov | 3-6,7-5,4-6 |
| Challenger Guadalajara | 2018/04/17 21:50 | Adrian Menendez-Maceiras v Bradley Mousley | 6-7,6-2,7-5 |
| Challenger Mexico City | 2018/04/10 20:00 | Jose Hernandez-Fernandez v Bradley Mousley | 6-2,3-6,6-3 |
| Challenger St Brieuc Qual | 2018/03/24 10:20 | Bradley Mousley v Remi Boutillier | 6-4,6-7,2-6 |
| Challenger Lille | 2018/03/20 13:40 | Yannick Maden v Bradley Mousley | 6-2,6-2 |
| ITF Australia F2 | 2018/03/08 23:00 | Bradley Mousley v Luke Saville | 4-6,2-6 |
| ITF Australia F2 | 2018/03/08 02:30 | Bradley Mousley v Lucas Vuradin | 7-6,6-1 |
| ITF Australia F2 | 2018/03/05 23:00 | Bradley Mousley v Matthew Romios | 2-6,6-0,7-6 |