Stadium: Arantxa Sanchez Stadium Round: 26 Ground: Clay
| ATP Madrid MD | 2018/05/08 18:30 | Zverev/Zverev v Marrero/Verdasco | 7-6,6-7,7-10 |
| ATP Acapulco MD | 2018/03/01 05:15 | Gonzalez/Peralta v Marrero/Verdasco | 7-6,6-3 |
| ATP Rio de Janeiro MD | 2018/02/25 00:15 | Mektic/Peya v Marrero/Verdasco | 7-5,5-7,8-10 |
| ATP Rio de Janeiro MD | 2018/02/24 00:20 | Marrero/Verdasco v Murray/Soares | 6-4,6-4 |
| ATP Rio de Janeiro MD | 2018/02/21 21:45 | Marrero/Verdasco v Gonzalez/Peralta | 7-5,3-6,10-2 |
| ATP Rio de Janeiro MD | 2018/02/20 00:15 | Demoliner/Monfils v Marrero/Verdasco | 6-1,1-6,5-10 |
| ATP Rio De Janeiro Qual MD | 2018/02/18 21:30 | Marrero/Verdasco v Jarry/Vesely | 6-2,3-6,5-10 |
| ATP Rio De Janeiro Qual MD | 2018/02/17 21:30 | Marrero/Verdasco v Melzer/Sandgren | 6-4,6-7,10-4 |
| ATP Monte Carlo MD | 2018/04/19 10:00 | Cuevas/Granollers v Herbert/Mahut | 7-5,7-6 |
| Davis Cup | 2018/04/07 12:00 | Bolelli/Fognini v Herbert/Mahut | 4-6,3-6,1-6 |
| ATP Indian Wells MD | 2018/03/13 23:10 | Herbert/Mahut v Cuevas/Zeballos | 6-7,6-3,11-13 |
| ATP Indian Wells MD | 2018/03/11 23:00 | Herbert/Mahut v Dzumhur/Krajinovic | 6-1,6-2 |
| ATP Rotterdam MD | 2018/02/18 12:00 | Herbert/Mahut v Marach/Pavic | 2-6,6-2,10-7 |
| ATP Rotterdam MD | 2018/02/17 20:10 | Dodig/Ram v Herbert/Mahut | 6-7,6-4,6-10 |
| ATP Rotterdam MD | 2018/02/15 16:00 | Herbert/Mahut v Khachanov/Pouille | 6-3,6-2 |
| ATP Rotterdam MD | 2018/02/14 13:30 | Herbert/Mahut v Matkowski/Qureshi | 6-4,6-4 |