2018 — Rafael Nadal retires in the fifth set of his Australian Open with Marin Cilic with an upper right leg injury. Cilic beat Nadal 3-6, 6-3, 6-7 (5), 6-2, 2-0 retired. In another quarterfinal, the 49th-ranked Kyle Edmund beats third-seeded Grigor Dimitrov 6-4, 3-6, 6-3, 6-4.
Spain's Rafael Nadal receives treatment from a trainer during his quarterfinal against Croatia's Marin Cilic at the Australian Open tennis championships in Melbourne, Australia, Tuesday, Jan. 23, 2018. (AP Photo/Andy Brownbill)