Nick Kyrgios of Australia holds the trophy after winning his final match against Ryan Harrison of the U.S. 6-4, 6-2, during the Brisbane International tennis tournament in Brisbane, Australia, Sunday, Jan. 7, 2018. AP/PTI

Nick Kyrgios downed American Ryan Harrison 6-4, 6-2 to win the Brisbane International yesterday. The win was the third-seeded Australian's fourth title and his first on home soil. The Australian beat World No. 3 Grigor Dimitrov in the semis and will be a major threat at the Australian Open.