Results from the ATP tournament in Rotterdam on Tuesday (x denotes seeding): 1st rd Borna Coric (CRO) bt Botic van de Zandschulp (NED) 6-4, 7-6 (7/4) Alex De Minaur (AUS) bt John Millman (AUS) 6-1, 6-4 Jeremy Chardy (FRA) bt Ugo Humbert (FRA) 4-6, 7-6 (7/5), 7-6 (7/4) Andrey Rublev (RUS x4) bt Marcos Giron (USA) 7-6 (7/1), 6-3 Karen Khachanov (RUS) bt Stan Wawrinka (SUI x8) 6-4, 7-5 Hubert Hurkacz (POL) bt Adrian Mannarino (FRA) 6-3, 7-6 (8/6) Stefanos Tsitsipas (GRE x2) bt Egor Gerasimov (BLR) 7-6 (7/4), 7-5 afp