Stadium: ANZ Arena Round: 26 Ground: Hardcourt outdoor
| ATP Stockholm MD | 2018/10/18 13:45 | Benneteau/Pouille v Sock/Withrow | 4-6,6-2,12-10 |
| ATP Stockholm MD | 2018/10/16 11:20 | Martin/Skugor v Sock/Withrow | 6-7,7-6,8-10 |
| ATP Houston MD | 2018/04/11 20:05 | Sock/Withrow v Lipsky/Sandgren | 6-2,4-6,6-10 |
| 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 23:00 | Sock/Withrow v Mclachlan/Nys | 6-7,7-6,10-4 |
| ATP Delray Beach MD | 2018/02/22 22:25 | Bryan/Bryan v Sock/Withrow | 6-3,3-6,5-10 |
| ATP Delray Beach MD | 2018/02/20 22:45 | Sock/Withrow v Paes/Raja | 6-3,6-2 |
| ATP Auckland MD | 2018/01/09 03:20 | Sock/Withrow v Cuevas/Zeballos | 7-6,6-7,8-10 |