Spain's Carlos Alcaraz beat Germany's Alexander Zverev over five hours but the latter is upset by officiating of injury.

Game-by-game report: The men’s No 1 and 3 seeds meet at Melbourne Park with a place in the final up for grabs. Join Joey Lynch for updates

Lo spagnolo vince i primi due set, poi inizia ad accusare dolori alle gambe e perde il terzo. Il tedesco critica il medical time out, poi porta a casa il quart…