Alcaraz needs three sets to oust Luca Nardi at Qatar Open
- Second-seeded Alex de Minaur beat Botic van de Zandschulp 6-4, 6-4 to set up a quarterfinal match against fifth-seeded Andrey Rublev
- Fourth-seeded Daniil Medvedev beat Zizou Bergs 6-2, 6-1 and will meet Felix Auger-Aliassime in the final eight