<p>Poland's Iga Swiatek clinched becoming the new world number one in women's tennis by defeating swiss Viktorija Golubic 6-2, 6-0 on Friday at the WTA Miami Open.</p>.<p>Swiatek, 20, will move into the top spot vacated by Australian Ashleigh Barty after the three-time Grand Slam champion announced her retirement earlier this week.</p>.<p>Swiatek needed to win her second-round match at the South Florida hardcourt tournament to ensure she would be the one to replace Barty.</p>.<p><strong>Check out DH's latest videos</strong></p>
<p>Poland's Iga Swiatek clinched becoming the new world number one in women's tennis by defeating swiss Viktorija Golubic 6-2, 6-0 on Friday at the WTA Miami Open.</p>.<p>Swiatek, 20, will move into the top spot vacated by Australian Ashleigh Barty after the three-time Grand Slam champion announced her retirement earlier this week.</p>.<p>Swiatek needed to win her second-round match at the South Florida hardcourt tournament to ensure she would be the one to replace Barty.</p>.<p><strong>Check out DH's latest videos</strong></p>