US Open champion Naomi Osaka says poor attitude cost her Brisbane semi-final

'I feel like I didn't really know how to cope with not playing well. I was sulking a little bit, and like there are moments that I tried not to do that, but then the ball wouldn't go in, and then I would go back to being, like, childish and stuff. I feel like last year I did a lot of that,' she added. 'I'm trying to change it more, and I think I have.' Germany to face Switzerland in Hopman Cup final But Osaka said Saturday's loss was probably a better learning experience than if she had made the final. 'I think today I learned, what I can do to improve the situation,' she said. The 29-year-old Tsurenko, who will now rise to a career-high world ranking of 24, said she had adopted a new game plan during the off-season. 'I feel better with my serve and that I am moving well,' she said. 'I feel more strong now, so I can kind of handle every kind of pressure on court, even when someone like Naomi is playing really strong. 'I can really stay there and I can be aggressive also.' Tsurenko will play either fifth seeded Czech Karolina Pliskova or Croatia's Donna Vekic in Sunday's final. Dailyhunthttp://www.chaipaai.com/author/zipperrarrer/

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