| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | TB | dur (pts) |
| Sun 03.06.18 | Gabriela Dabrowski / Mate Pavić |  CAN |  AUT | 1 | 2-0 | Andrea Sestini Hlaváčková / Édouard Roger-Vasselin | CAN |  CRO | | 6-2 | 6-3 | | 0:55 (51-46) |
| Sun 03.06.18 | Demi Schuurs / Matwé Middelkoop |  NED | NED | | 2-0 | Kristina Mladenovic / Alexis Musialek |  FRA | FRA | WC | 6-4 | 7-5 | | 1:11 (63-59) |
| Sun 03.06.18 | María José Martínez Sánchez / Marcelo Demoliner |  ESP |  BRA | | w/o | Johanna Konta / Dominic Inglot |  GBR | GBR | | walk over |
| Sun 03.06.18 | Katarina Srebotnik / Santiago González |  SLO |  MEX | | 2-0 | Andreja Klepač / Jean-Julien Rojer | SLO | NED | 5 | 6-2 | 7-63 | | 1:12 (64-58) |
| Sat 02.06.18 | Anna-Lena Grönefeld / Robert Farah |  GER |  COL | 8 | 2-0 | Alla Kudryavtseva / Nikola Mektić |  RUS | CRO | | 6-0 | 6-1 | | 0:43 (49-28) |
| Sat 02.06.18 | Abigail Spears / Juan Sebastián Cabal |  USA | COL | | 2-1 | Xu Yifan / Oliver Marach |  CHN | AUT | 3 | 3-6 | 7-63 | [10-6] | 1:30 (72-66) |
| Sun 03.06.18 | Nicole Melichar / Alexander Peya | USA | AUT | | 2-1 | Zhang Shuai / John Peers | CHN |  AUS | | 6-4 | 3-6 | [10-7] | 1:14 (60-63) |
| Sun 03.06.18 | Latisha Chan / Ivan Dodig |  TPE | CRO | 2 | 2-1 | Vania King / Franko Škugor | USA | CRO | | 6-3 | 3-6 | [10-7] | 1:28 (66-61) |
| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | TB | dur (pts) |
| Fri 01.06.18 | Gabriela Dabrowski / Mate Pavić | CAN | AUT | 1 | 2-1 | Pauline Parmentier / Grégoire Barrère | FRA | FRA | WC | 4-6 | 6-3 | [10-7] | 1:03 (65-52) |
| Interrupted by rain with score 4-6, 4-1 and finnisshed on Saturday 02.06.2018. | 0:46 (44-37) |
| Fri 01.06.18 | Andrea Sestini Hlaváčková / Édouard Roger-Vasselin | CAN | CRO | | 2-0 | Chloé Paquet / Benoît Paire | FRA | FRA | WC | 6-4 | 6-3 | | 1:02 (65-40) |
| Thu 31.05.18 | Kristina Mladenovic / Alexis Musialek | FRA | FRA | WC | 2-0 | Anabel Medina Garrigues / Marcel Granollers | ESP | ESP | | 6-2 | 6-2 | | 0:50 (54-33) |
| Thu 31.05.18 | Demi Schuurs / Matwé Middelkoop | NED | NED | | 2-0 | Chan Hao-ching / Michael Venus | TPE |  NZL | 6 | 6-3 | 6-2 | | 0:50 (57-38) |
| Thu 31.05.18 | María José Martínez Sánchez / Marcelo Demoliner | ESP | BRA | | 2-1 | Kateřina Siniaková / Jamie Murray |  CZE | GBR | 4 | 6-2 | 4-6 | [10-5] | 1:17 (65-55) |
| Thu 31.05.18 | Johanna Konta / Dominic Inglot | GBR | GBR | | 2-0 | Fiona Ferro / Evan Furness | FRA | FRA | WC | 6-4 | 6-3 | | 1:06 (65-50) |
| Fri 01.06.18 | Katarina Srebotnik / Santiago González | SLO | MEX | | 2-1 | Shuko Aoyama / Divij Sharan |  JPN |  IND | Alt | 2-6 | 6-3 | [10-5] | 1:08 (59-57) |
| Thu 31.05.18 | Andreja Klepač / Jean-Julien Rojer | SLO | NED | 5 | 2-0 | Jeļena Ostapenko / Max Mirnyi |  LAT |  BLR | | 6-1 | 6-1 | | 0:50 (52-32) |
| Thu 31.05.18 | Anna-Lena Grönefeld / Robert Farah | GER | COL | 8 | 2-1 | CoCo Vandeweghe / Rajeev Ram | USA | USA | | 6-2 | 5-7 | [10-4] | 1:14 (63-56) |
| Thu 31.05.18 | Alla Kudryavtseva / Nikola Mektić | RUS | CRO | | 2-1 | Yang Zhaoxuan / Aisam-ul-Haq Qureshi | CHN |  PAK | | 7-62 | 3-6 | [10-8] | 1:31 (72-75) |
| Thu 31.05.18 | Abigail Spears / Juan Sebastián Cabal | USA | COL | | 2-1 | Květa Peschke / Marcin Matkowski | CZE |  POL | | 5-7 | 6-4 | [11-9] | 1:37 (74-76) |
| Fri 01.06.18 | Xu Yifan / Oliver Marach | CHN | AUT | 3 | 2-1 | Mihaela Buzărnescu / Henri Kontinen |  ROU |  FIN | | 6-73 | 6-3 | [11-9] | 1:40 (80-73) |
| Fri 01.06.18 | Zhang Shuai / John Peers | CHN | AUS | | 2-0 | Tímea Babos / Rohan Bopanna |  HUN | IND | 7 | 6-2 | 6-3 | | 0:58 (60-43) |
| Thu 31.05.18 | Nicole Melichar / Alexander Peya | USA | AUT | | 2-1 | Tessah Andrianjafitrimo / Ugo Humbert | FRA | FRA | WC | 6-2 | 6-3 | [12-10] | 1:20 (68-57) |
| Thu 31.05.18 | Vania King / Franko Škugor | USA | CRO | | 2-0 | Sara Cakarevic / Alexandre Müller | FRA | FRA | WC | 6-4 | 6-2 | | 1:03 (60-41) |
| Fri 01.06.18 | Latisha Chan / Ivan Dodig | TPE | CRO | 2 | 2-0 | Makoto Ninomiya / Ben McLachlan | JPN | JPN | | 7-5 | 6-3 | | 1:09 (62-45) |
