MELBOURNE, Australia — World No. 2 Carlos Alcaraz lost in the quarterfinals of the Australian Open, going down to No. 6 seed Alexander Zverev in four enthralling sets, 6-1, 6-3, 6-7(2), 6-4. Alcaraz had already achieved a career-best result in Melbourne coming into the quarterfinal matchup, but Zverev jumped out early to take the first two sets. Alcaraz fought […]