| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | set 3 | dur (pts) | 
| Mon 04.06.18 | Tímea Babos / Kristina Mladenovic |  HUN |  FRA | 1 | 2-1 | Nicole Melichar / Květa Peschke |  USA |  CZE | 13 | 4-6 | 6-2 | 7-5 | 1:56 (96-85) | 
| Mon 04.06.18 | Eri Hozumi / Makoto Ninomiya |  JPN |  JPN |   | 2-0 | Gabriela Dabrowski / Xu Yifan |  CAN |  CHN | 5 | 6-1 | 6-2 |   | 1:07 (72-47) | 
| Mon 04.06.18 | Irina Bara / Mihaela Buzărnescu |  ROU |  ROU |   | 2-0 | Jennifer Brady / Vania King |  USA |  USA | PR | 6-4 | 6-3 |   | 1:30 (75-65) | 
| Sun 03.06.18 | Chan Hao-ching / Yang Zhaoxuan |  TPE |  CHN | 8 | 2-0 | Sorana Cîrstea / Sara Sorribes Tormo |  ROU |  ESP |   | 6-2 | 6-4 |   | 1:34 (82-70) | 
| Sun 03.06.18 | Barbora Krejčíková / Kateřina Siniaková |  CZE |  CZE | 6 | 2-1 | Kiki Bertens / Johanna Larsson |  NED |  SWE | 9 | 3-6 | 6-4 | 7-66 | 2:16 (102-108) | 
| Sun 03.06.18 | Andreja Klepač / María José Martínez Sánchez |  SLO |  ESP | 3 | 2-1 | Serena Williams / Venus Williams |  USA |  USA | WC | 6-4 | 6-74 | 6-0 | 2:11 (106-88) | 
| Sun 03.06.18 | Lara Arruabarrena / Katarina Srebotnik |  ESP |  SLO |   | 2-0 | Dalila Jakupović / Irina Khromacheva |  SLO |  RUS |   | 6-3 | 6-1 |   | 1:01 (63-43) | 
| Mon 04.06.18 | Andrea Sestini Hlaváčková / Barbora Strýcová |  CZE |  CZE | 2 | 2-0 | Duan Yingying / Aliaksandra Sasnovich |  CHN |  BLR |   | 6-3 | 6-3 |   | 1:15 (63-49) | 
| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | set 3 | dur (pts) | 
| Sat 02.06.18 | Tímea Babos / Kristina Mladenovic |  HUN |  FRA | 1 | 2-0 | Nao Hibino / Oksana Kalashnikova |  JPN |  GEO |   | 6-1 | 6-3 |   | 1:05 (66-43)  | 
| Fri 01.06.18 | Nicole Melichar / Květa Peschke |  USA |  CZE | 13 | 2-0 | Viktória Kužmová / Magdaléna Rybáriková |  SVK |  SVK |   | 6-1 | 6-4 |   | 0:58 (57-39) | 
| Sat 02.06.18 | Eri Hozumi / Makoto Ninomiya |  JPN |  JPN |   | 2-1 | Eri $Raquel Atawo / Anna-Lena Grönefeld |  USA |  GER | 11 | 2-6 | 6-2 | 6-0 | 1:42 (85-71) | 
| Sat 02.06.18 | Gabriela Dabrowski / Xu Yifan |  CAN |  CHN | 5 | 2-0 | Kaitlyn Christian / Carina Witthöft |  USA |  GER |   | 6-2 | 6-2 |   | 1:04 (61-36) | 
| Sat 02.06.18 | Irina Bara / Mihaela Buzărnescu |  ROU |  ROU |   | 2-1 | Latisha Chan / Bethanie Mattek-Sands |  TPE |  USA | 4 | 2-6 | 6-3 | 6-3 | 2:02 (89-86) | 
| Sat 02.06.18 | Jennifer Brady / Vania King |  USA |  USA | PR | 2-1 | Kateryna Bondarenko / Aleksandra Krunić |  UKR |  SRB |   | 5-7 | 6-3 | 6-3 | 2:10 (110-99)  | 
| Fri 01.06.18 | Sorana Cîrstea / Sara Sorribes Tormo |  ROU |  ESP |   | 2-0 | Svetlana Kuznetsova / Lucie Šafářová |  RUS |  CZE |   | 6-3 | 6-2 |   | 1:16 (70-56) | 
| Fri 01.06.18 | Chan Hao-ching / Yang Zhaoxuan |  TPE |  CHN | 8 | 2-0 | Anabel Medina Garrigues / Arantxa Parra Santonja |  ESP |  ESP | PR | 6-3 | 7-5 |   | 1:33 (82-70) | 
|  Bottom half | 
| Sat 02.06.18 | Barbora Krejčíková / Kateřina Siniaková |  CZE |  CZE | 6 | 2-1 | Tatjana Maria / Heather Watson |  GER |  GBR |   | 6-1 | 2-6 | 7-5 | 1:48 (81-78) | 
| Fri 01.06.18 | Kiki Bertens / Johanna Larsson |  NED |  SWE | 9 | 2-0 | Taylor Townsend / Renata Voráčová |  USA |  CZE |   | 6-4 | 6-0 |   | 1:10 (65-48) | 
| Fri 01.06.18 | Serena Williams / Venus Williams |  USA |  USA | WC | 2-0 | Sara Errani / Kirsten Flipkens |  ITA |  BEL |   | 6-4 | 6-2 |   | 1:19 (67-53) | 
| Sat 02.06.18 | Andreja Klepač / María José Martínez Sánchez |  SLO |  ESP | 3 | 2-0 | Irina-Camelia Begu / Wang Qiang |  ROU |  CHN |   | 6-3 | 7-5 |   | 1:30 (79-68) | 
| Fri 01.06.18 | Dalila Jakupović / Irina Khromacheva |  SLO |  RUS |   | 2-0 | Darija Jurak / Donna Vekić |  CRO |  CRO |   | 6-1 | 6-0 |   | 0:47 (52-28) | 
| Fri 01.06.18 | Lara Arruabarrena / Katarina Srebotnik |  ESP |  SLO |   | 2-0 | Viktorija Golubic / Nina Stojanović |  SUI |  SRB |   | 6-4 | 6-3 |   | 1:20 (68-59) | 
| Fri 01.06.18 | Duan Yingying / Aliaksandra Sasnovich |  CHN |  BLR |   | 2-1 | Nadiia Kichenok / Anastasia Rodionova |  UKR |  AUS | 16 | 6-4 | 1-6 | 6-4 | 2:09 (99-102)  | 
| Sat 02.06.18 | Andrea Sestini Hlaváčková / Barbora Strýcová |  CZE |  CZE | 2 | 2-1 | Anastasia Pavlyuchenkova / Samantha Stosur |  RUS |  AUS |   | 3-6 | 6-4 | 6-4 | 2:00 (88-85) | 
| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | set 3 | dur (pts) | 
| Wed 30.05.18 | Tímea Babos / Kristina Mladenovic |  HUN |  FRA | 1 | 2-0 | Ajla Tomljanović/ Zhang Shuai |  AUS |  CHN |   | 6-1 | 6-4 |   | 1:06 (66-48) | 
| Thu 31.05.18 | Nao Hibino / Oksana Kalashnikova |  JPN |  GEO |   | 2-0 | Daria Gavrilova / Daria Kasatkina |  AUS |  RUS |   | 6-3 | 7-63 |   | 1:37 (86-73) | 
| Thu 31.05.18 | Viktória Kužmová / Magdaléna Rybáriková |  SVK |  SVK |   | 2-1 | Anna Blinkova / Lucie Hradecká |  RUS |  CZE |   | 6-1 | 6-74 | 7-5 | 2:14 (120-104) | 
| Wed 30.05.18 | Nicole Melichar / Květa Peschke |  USA |  CZE | 13 | 2-1 | Christina McHale / Peng Shuai |  USA |  CHN |   | 6-4 | 2-6 | 7-63 | 2:15 (102-108) | 
| Thu 31.05.18 | Raquel Atawo / Anna-Lena Grönefeld |  USA |  GER | 11 | 2-0 | Zarina Diyas / Zheng Saisai |  KAZ |  CHN | PR | 6-4 | 2-6 | 6-2 | 2:07 (98-92) | 
| Wed 30.05.18 | Eri Hozumi / Makoto Ninomiya |  JPN |  JPN |   | 2-0 | Polona Hercog / Alison Van Uytvanck |  SLO |  BEL |   | 6-0 | 6-4 |   | 1:08 (67-45) | 
| Thu 31.05.18 | Kaitlyn Christian / Carina Witthöft |  USA |  GER |   | 2-1 | María Irigoyen / Kateryna Kozlova |  ARG |  UKR |   | 4-6 | 6-3 | 6-1 | 1:35 (86-66) | 
| Wed 30.05.18 | Gabriela Dabrowski / Xu Yifan |  CAN |  CHN | 5 | 2-0 | Tessah Andrianjafitrimo / Fiona Ferro |  FRA |  FRA | WC | 6-3 | 6-1 |   | 0:57 (60-36) | 
| Wed 30.05.18 | Latisha Chan / Bethanie Mattek-Sands |  TPE |  USA | 4 | 2-0 | Virginie Razzano / Jade Suvrijn |  FRA |  FRA | WC | 6-4 | 6-1 |   | 1:19 (72-52) | 
| Thu 31.05.18 | Irina Bara / Mihaela Buzărnescu |  ROU |  ROU |   | 2-1 | Xenia Knoll / Anna Smith |  SUI |  GBR |   | 6-73 | 6-3 | 6-4 | 2:30 (121-113) | 
| Thu 31.05.18 | Jennifer Brady / Vania King |  USA |  USA | PR | 2-0 | Anna Kalinskaya / Ekaterina Makarova |  RUS |  RUS |   | 6-3 | 6-4 |   | 1:28 (80-62) | 
| Wed 30.05.18 | Kateryna Bondarenko / Aleksandra Krunić |  UKR |  SRB |   | 2-1 | Alicja Rosolska / Abigail Spears |  POL |  USA | 15 | 7-5 | 4-6 | 7-62 | 2:29 (124-110) | 
| Wed 30.05.18 | Sorana Cîrstea / Sara Sorribes Tormo |  ROU |  ESP |   | 2-1 | Jeļena Ostapenko / Elena Vesnina |  LAT |  RUS | 10 | 1-6 | 6-3 | 6-4 | 1:50 (88-89) | 
| Wed 30.05.18 | Svetlana Kuznetsova / Lucie Šafářová |  RUS |  CZE |   | 2-0 | Belinda Bencic / Markéta Vondroušová |  SUI |  CZE | Alt | 6-2 | 6-4 |   | 1:12 (71-55) | 
| Wed 30.05.18 | Anabel Medina Garrigues / Arantxa Parra Santonja |  ESP |  ESP | PR | 2-1 | Johanna Konta / Alison Riske |  GBR |  USA |   | 3-6 | 6-4 | 7-63 |   | 2:24 (109-109) | 
| Wed 30.05.18 | Chan Hao-ching / Yang Zhaoxuan |  TPE |  CHN | 8 | 2-0 | Hsieh Su-wei / Andrea Petkovic |  TPE |  GER |   | 6-4 | 6-4 |   | 1:22 (72-66) | 
|  Bottom half | 
| Thu 31.05.18 | Barbora Krejčíková / Kateřina Siniaková |  CZE |  CZE | 6 | 2-1 | Vera Lapko / Raluca Olaru |  BLR |  ROU |   | 5-7 | 6-3 | 6-2 | 2:20 (107-94) | 
| Wed 30.05.18 | Tatjana Maria / Heather Watson |  GER |  GBR |   | 2-0 | Manon Arcangioli / Shérazad Reix |  FRA |  FRA | WC | 6-3 | 6-4 |   | 1:20 (68-55) | 
| Wed 30.05.18 | Taylor Townsend / Renata Voráčová |  USA |  CZE |   | 2-0 | Sara Cakarevic / Jessika Ponchet |  FRA |  FRA | WC | 6-4 | 6-1 |   | 1:05 (59-38) | 
| Wed 30.05.18 | Kiki Bertens / Johanna Larsson |  NED |  SWE | 9 | 2-0 | Veronika Kudermetova / Alla Kudryavtseva |  RUS |  RUS |   | 7-5 | 6-2 |   | 1:11 (65-52) | 
| Wed 30.05.18 | Serena Williams / Venus Williams |  USA |  USA | WC | 2-1 | Shuko Aoyama / Miyu Kato |  JPN |  JPN | 14 | 4-6 | 6-4 | 6-1 | 1:58 (96-84) | 
| Thu 31.05.18 | Sara Errani / Kirsten Flipkens |  ITA |  BEL |   | 2-0 | Clara Burel / Diane Parry |  FRA |  FRA | WC | 6-4 | 6-2 |   | 1:29 (83-66) | 
| Fri 01.06.18 | Irina-Camelia Begu / Wang Qiang |  ROU |  CHN |   | 2-0 | Petra Martić / Maria Sakkari |  CRO |  GER |   | 6-3 | 7-6 |   | 1:24 (73-59) | 
| Thu 31.05.18 | Andreja Klepač / María José Martínez Sánchez |  SLO |  ESP | 3 | 2-0 | Monique Adamczak / Wang Yafan |  POL |  CHN |   | 6-0 | 6-4 |   | 1:06 (60-40) | 
| Wed 30.05.18 | Darija Jurak / Donna Vekić |  CRO |  CRO |   | 2-1 | Ashleigh Barty / CoCo Vandeweghe |  AUS |  USA | 7 | 2-6 | 6-4 | 6-4 | 1:51 (91-89) | 
| Thu 31.05.18 | Dalila Jakupović / Irina Khromacheva |  SLO |  RUS |   | 2-0 | Naomi Broady / Magda Linette |  GBR |  POL |   | 6-2 | 6-3 |   | 1:07 (66-47) | 
| Thu 31.05.18 | Viktorija Golubic / Nina Stojanović |  SUI |  SRB |   | 2-0 | Amandine Hesse / Pauline Parmentier |  FRA |  FRA | WC | 6-0 | 6-2 |   | 0:52 (52-28) | 
| Thu 31.05.18 | Lara Arruabarrena / Katarina Srebotnik |  ESP |  SLO |   | 2-1 | Elise Mertens / Demi Schuurs |  BEL |  NED | 12 | 3-6 | 6-3 | 7-65 | 2:05 (105-104) | 
| Wed 30.05.18 | Nadiia Kichenok / Anastasia Rodionova |  UKR |  AUS | 16 | 2-1 | Mandy Minella / Anastasija Sevastova |  LUX |  LAT | PR | 3-6 | 6-3 | 7-5 | 2:00 (93-91) | 
| Wed 30.05.18 | Duan Yingying / Aliaksandra Sasnovich |  CHN |  BLR |   | 2-1 | Ana Bogdan / Olga Savchuk |  ROU |  UKR |   | 6-3 | 3-6 | 6-1 | 1:36 (81-65) | 
| Wed 30.05.18 | Anastasia Pavlyuchenkova / Samantha Stosur |  RUS |  AUS |   | 2-0 | Lesley Kerkhove / Lidziya Marozava |  NED |  BLR |   | 6-3 | 6-4 |   | 1:05 (63-43) | 
| Thu 31.05.18 | Andrea Sestini Hlaváčková / Barbora Strýcová |  CZE |  CZE | 2 | 2-1 | Lyudmyla Kichenok / Lesia Tsurenko |  UKR |  CZE |   | 6-4 | 3-6 | 6-1 | 1:58 (90-83) |