Results from the ATP tournament in Stuttgart on Friday (x denotes seeding): 2nd rd Denis Shapovalov (CAN x1) bt Feliciano Lopez (ESP) 6-2, 6-7 (2/7), 6-3 Quarter-finals Marin Cilic (CRO) bt Denis Shapovalov (CAN x1) 7-5, 7-6 (7/3) Jurij Rodionov (AUT) bt Alex de Minaur (AUS x4) 3-6, 6-3, 7-6 (7/4) Felix Auger-Aliassime (CAN x3) bt Ugo Humbert (FRA x6) 7-6 (7/5), 7-6 (10/8) Sam Querrey (USA) bt Dominic Stricker (SUI) 6-7 (4/7), 7-6 (7/4), 6-3 afp