Rotterdam (NED, 2,46 Mio Euro, Hard/H.)
Alex de Minaur (AUS/1) - 6 6
Stan Wawrinka (SUI/WC) 4 2
Botic van de Zandschulp (NED) - 6 7
Stefanos Tsitsipas (GRE) 4 6
Guy den Ouden (NED/WC) 4 3
Christopher O'Connell (AUS/Q) - 7 6
Cameron Norrie (GBR/6) 6 4
Jaume Munar (ESP) - 7 3 6
Karen Chatschanow (RUS/5) 6 6 2
Alexander Bublik (KAZ/3) - 7 4 6
Jan-Lennard Struff (GER) 6 6 3
Tallon Griekspoor (NED/7) - 7 7
Felix Auger-Aliassime (CAN/2) - 6 6
Hamad Medjedovic (SRB/LL) 4 4