Rafael Nadal retires from Australian Open Quaterfinal

Rafael Nadal retires from Australian Open Quaterfinal

Rafael Nadal retired hurt in the 5th set against Marin Cilic with the scores at 6-3, 3-6, 7-6 (7-5), 2-6, 0-2. Marin Cilic will now progress to face Kyle Edmund in the first semifinal.

Croatia's Marin Cilic celebrates after winning a point against Spain's Rafael Nadal during their quarterfinal at the Australian Open tennis championships in Melbourne, Australia, Tuesday, Jan. 23, 2018. (AP Photo/Dita Alangkara)

Kamada strikes twice to upset Arsenal

Kamada strikes twice to upset Arsenal

Hyeon Chung upsets Novak Djokovic

Hyeon Chung upsets Novak Djokovic