ladies, 1st round: Corpatsch demands local hero
Angelique Kerber-Kristina Mladenovic (France).
Andrea Petkovic-Viktorija Golubic (Switzerland).
Jule Niemeier-Wang Xiyu (China).
Tamara Korpatsch-Heather Watson (Great Britain).
Nastasja Schunk-Mihaela Buzarnescu (Romania).
Tatjana Maria-Astra Sharma (Australia).
men, first round: tough whole lot for struff.
Oscar Otte-Peter Gojowczyk.
Daniel Altmaier-Mikael Ymer (Sweden).
Dominik Koepfer-Daniel Galan (Colombia).
Jan-Lennard Struff-Carlos Alcaraz (Spain).
Maximilian Marterer-Aljaz Bedene (Slovenia).
Nicola Kuhn-Brandon Nakashima (U.S.A.).