| 1 | 1 | 
WithdrawalsThe following players would have been seeded, but they withdrew from the event.
| Rank | Player | Points before | Points defending | Points after | Reason | | 2 | 
Other entrantsThe following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Withdrawals;Before the tournament
ATP doubles main-draw entrantsSeedsOther entrantsThe following pairs received wildcards into the doubles main draw:
RetirementsWTA singles main-draw entrantsSeedsThe following are the seeded players. Seedings are based on WTA rankings as of 30 April 2018. Rankings and points before are as of 7 May 2018.
| Seed | Rank | Player | Points before | Points defending | Points won | Points after | Status | | 1 | 1 | 
Other entrantsThe following players received wildcards into the main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
Withdrawals;Before the tournament
WTA doubles main-draw entrantsSeeds- Rankings are as of April 30, 2018.
Other entrantsThe following pairs received wildcards into the doubles main draw:
The following pairs received entry as alternates:
Withdrawals;Before the tournament
ChampionsMen's singlesAlexander Zverev def. Dominic Thiem, 6–4, 6–4
Women's singlesPetra Kvitová def. Kiki Bertens, 7–6, 4–6, 6–3
Men's doublesNikola Mektić / Alexander Peya def. Bob Bryan / Mike Bryan, 5–3, ret.
Women's doublesEkaterina Makarova / Elena Vesnina def. Tímea Babos / Kristina Mladenovic, 2–6, 6–4,
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