Federer and Wawrinka win
Roger Federer survived a brave challenge from American qualifier Frances Tiafoe before emerging with a 7-6 (7/2) 6-3 victory as he got his Miami Open title bid underway yesterday morning (Singapore time).
Top seed Stan Wawrinka got off to a solid start, beating Argentina's Horacio Zeballos 6-3, 6-4.
In the women's draw, second seed Karolina Pliskova beat Yulia Putintseva of Kazakhstan 7-5, 6-3 to move into the last 16 but fifth seed Agnieszka Radwanska was beaten 6-0, 6-3 by Mirjana Lucic-Baroni. - AFP