Last year's title holder was the Serb Novak Đoković in singles and the pairing of Bob and Mike Bryan in doubles.
The field of participants in the single competition consisted of 28 players, that of the doubles competition consisted of 16 pairs. The four top seeded players in the singles each received a bye in the first round. The total prize money was 661,085 euros; the financial obligations amounted to 721,085 euros.
The qualification took place on June 23 and 24, 2018. Four qualifying places were played, which entitle them to participate in the main draw of the tournament.
The following prize money and world ranking points were paid out or credited for reaching the respective round. Players who entered the main field from qualification received the specified qualification points in addition to those for reaching the respective round. Otherwise the amounts are not to be understood as cumulative. The amounts for the double competition apply per team.