- Kyrgios wins all-Australian first-round clash 6-3, 6-4, 7-6 (7-4)
- De Minaur, Tomljanovic and Thompson also advance
Nick Kyrgios cast friendship aside to cruise into the US Open second round with a straight-sets dispatch of his grand slam-winning doubles partner Thanasi Kokkinakis.
Kyrgios broke Kokkinakis in each of the first two sets, then clinched the win in a tiebreaker to take bragging rights in the all-Australian affair 6-3, 6-4, 7-6 (7-4) at Arthur Ashe Stadium on Monday night.