Stefanos Tsitsipas is ‘hungry’ for his first major and is one step closer as he cruises into the Australian Open semi-finals.The Greek produced some impressive tennis during his clash with rising star Jiri Lehecka on Tuesday, defeating the Czech 6-3, 7-6(2), 6-4 in a brisk two hours and 17 minutes.Tsitsipas, who has dropped just two sets throughout the tournament so far, revealed after the match that his mentality has changed for the better recently, causing him to be a ‘different player’ and have the self-confidence needed to chase down a Grand Slam title.‘’I’m feeling great with my tennis,’’ Tsitsipas added.‘’I don’t think I felt so good in a long time. I will definitely say yes [to winning the title].“I’ve said it, I’m a dif …