Stadium: Court 11 Round: 24 Ground: Grass
| French Open MD | 2018/05/30 11:40 | Johnson/Sock v Monroe/Smith | 7-6,6-4 |
| ATP Houston MD | 2018/04/10 20:15 | Begemann/Sancic v Monroe/Smith | 6-3,6-4 |
| ATP Delray Beach MD | 2018/02/25 17:30 | Sock/Withrow v Monroe/Smith | 4-6,6-4,10-8 |
| ATP Delray Beach MD | 2018/02/24 17:30 | Monroe/Smith v Ebden/Young | 7-6,2-6,10-7 |
| ATP Delray Beach MD | 2018/02/22 16:00 | Albot/Basilashvili v Monroe/Smith | 5-7,1-6 |
| ATP Delray Beach MD | 2018/02/21 18:50 | Chardy/Martin v Monroe/Smith | 6-3,1-6,4-10 |
| ATP New York MD | 2018/02/13 22:45 | Monroe/Smith v Albot/Basilashvili | 6-7,4-6 |
| ATP Sofia MD | 2018/02/09 13:50 | Monroe/Smith v Mektic/Peya | 2-6,4-6 |
| French Open MD | 2018/05/30 09:00 | Mclachlan/Struff v Arevalo/Cerretani | 7-6,6-7,3-6 |
| ATP Madrid MD | 2018/05/11 14:50 | Mclachlan/Struff v Herbert/Mahut | 2-6,3-6 |
| ATP Madrid MD | 2018/05/10 19:45 | Dodig/Ram v Mclachlan/Struff | 1-6,3-6 |
| ATP Madrid MD | 2018/05/08 17:00 | Mclachlan/Struff v Isner/Sock | 6-4,7-6 |
| ATP Budapest MD | 2018/04/27 12:30 | Middelkoop/Molteni v Mclachlan/Struff | 7-6,6-7,10-8 |
| ATP Budapest MD | 2018/04/26 12:30 | Balazs/Fucsovics v Mclachlan/Struff | 3-6,3-6 |
| ATP Budapest MD | 2018/04/23 11:00 | Podlipnik-Castillo/Vasilevski v Mclachlan/Struff | 6-7,1-6 |
| ATP Miami MD | 2018/03/29 21:00 | Bryan/Bryan v Mclachlan/Struff | 7-5,6-4 |