Alexander Zverev in action. —AFP/FileROME: Alexander Zverev continued his Italian Open title defence by cruising past qualifier Vilius Gaubas and reaching the last 16, as Aryna Sabalenka progressed with a battling 3-6, 6-3, 6-3 win over Sofia Kenin.Zverev barely broke a sweat on centre court against Gaubas, easing to a 6-4, 6-0 win to set up a last-16 clash with France´s Arthur Fils.The world number two took one hour 26 minutes to see off Gaubas, suggesting that the burn-out he said he was...