<p>A teary Mirjana Lucic-Baroni turned back the clock with a stunning upset win over second seed Simona Halep at the US Open on Friday but was focused on the future.<br /><br /></p>.<p>The last time the 32-year-old beat a top five ranked player her name was Monica Seles while it was Steffi Graf who ended the Croatian's US Open bid in 1998 knocking her out in the third round. <br /><br />While Graf and Seles have long retired as tennis greats, Lucic-Baroni battles on against a new tennis generation as she continues to try and salvage something from a career that never came close to delivering on its immense promise.<br /><br />But on a sun-kissed grandstand court, the former-child prodigy seized the spotlight with a 7-6 (8-6), 6-2 over the Romanian second seed to claim an unlikely place in the fourth round of the year's final Grand Slam. "I feel goofy right now. I feel like I'm 15 now," said Lucic-Baroni, a qualifier ranked 121st in the world. "I feel so excited. It's crazy. "I'm 32, but I don't feel like that. My body is really great. "That's really important. I feel fit. I feel strong in my mind.”<br /></p>
<p>A teary Mirjana Lucic-Baroni turned back the clock with a stunning upset win over second seed Simona Halep at the US Open on Friday but was focused on the future.<br /><br /></p>.<p>The last time the 32-year-old beat a top five ranked player her name was Monica Seles while it was Steffi Graf who ended the Croatian's US Open bid in 1998 knocking her out in the third round. <br /><br />While Graf and Seles have long retired as tennis greats, Lucic-Baroni battles on against a new tennis generation as she continues to try and salvage something from a career that never came close to delivering on its immense promise.<br /><br />But on a sun-kissed grandstand court, the former-child prodigy seized the spotlight with a 7-6 (8-6), 6-2 over the Romanian second seed to claim an unlikely place in the fourth round of the year's final Grand Slam. "I feel goofy right now. I feel like I'm 15 now," said Lucic-Baroni, a qualifier ranked 121st in the world. "I feel so excited. It's crazy. "I'm 32, but I don't feel like that. My body is really great. "That's really important. I feel fit. I feel strong in my mind.”<br /></p>