WATCH—Court Report from Day 6 at the US Open:
NEW YORK—Nick Kyrgios says he wants to achieve more than he has thus far in his career, but has to find more motivation.
The 23-year-old Australian has four career titles, including the beginning of this season at Brisbane, and has reached a Grand Slam quarterfinal twice. He has also scored wins against Rafael Nadal, Roger Federer and Novak Djokovic.
Still, the talented but erratic Kyrgios has bigger goals.
"I wouldn't say I'm satisfied with my career. I think there is a lot more to be done and there is a lot more to be, I mean, explored," he said. "I have been around for about four years now. I have barely done anything. I think I can do a lot more. As I said, it's all mental with me, I think. If I want it enough."
Kyrgios has not had a coach for a while, and is unsure whether he wants to bring someone on.
"I think more of my tennis is more to do with the mental side of things rather than technique or, you know, tactics or anything like that," he said. "But, I mean, obviously I want to achieve more in the sport. I don't think I have done anything."
Kyrgios is No. 30 in the rankings.
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