Stadium: Stadium Court Round: 29 Ground: Hardcourt outdoor
| ATP Atlanta MD | 2018/07/28 16:00 | Arneodo/Chardy v Monroe/Smith | 5-7,6-4,6-10 |
| ATP Atlanta MD | 2018/07/25 18:00 | Monroe/Smith v Eubanks/Young | 6-3,2-6,10-4 |
| ATP Atlanta MD | 2018/07/23 20:30 | Monroe/Smith v Kokkinakis/Kyrgios | 7-6,6-4 |
| ATP Newport MD | 2018/07/18 15:00 | Monroe/Smith v Krajicek/Nedunchezhiyan | 7-5,1-6,8-10 |
| Wimbledon MD | 2018/07/05 10:30 | Monroe/Smith v Mclachlan/Struff | 4-6,5-7,4-6 |
| ATP Hertogenbosch MD | 2018/06/11 11:20 | Arneodo/Muller v Monroe/Smith | 7-6,3-6,11-9 |
| Challenger Surbiton MD | 2018/06/07 13:20 | Bambridge/O'Mara v Monroe/Smith | 7-5,3-6,10-7 |
| Challenger Surbiton MD | 2018/06/06 14:30 | Melzer/Ramanathan v Monroe/Smith | 6-4,6-7,2-10 |
| ATP Atlanta MD | 2018/07/29 01:00 | Raja/Skupski v Harrison/Ram | 3-6,4-6 |
| ATP Atlanta MD | 2018/07/28 01:35 | Bryan/Tiafoe v Harrison/Ram | 6-7,4-6 |
| ATP Atlanta MD | 2018/07/26 00:20 | Arevalo/Reyes-Varela v Harrison/Ram | 5-7,1-6 |