MELBOURNE, Australia —January 15, 2019—The Latest on Wednesday from the Australian Open (all times local):

4:35 p.m.

Marin Cilic capped a 25-ace performance with a pair to serve out a second-round victory at the Australian Open, beating 81st-ranked Mackenzie McDonald of the U.S. 7-5, 6-7 (9), 6-4, 6-4.

Cilic was the runner-up here to Roger Federer last year and is seeded No. 6 this time.

Continue reading MELBOURNE, Australia | The Latest: 2018 runner-up Cilic gets past McDonald of US at STL.News.