The 2013 Sony Open will feature plenty of action on Tuesday from Miami, and all eyes will be focused on five-time champion and world No. 1 Serena Williams. She'll take on fifth-seeded Na Li of China after barely escaping out of the fourth round on Monday.
On the men's side, Andy Murray will be rewarded for his convincing Monday win by facing 16th-seeded Andreas Seppi of Italy.
The rest of the schedule for Tuesday is as follows (all times listed in ET):
STADIUM Start 11 a.m.
No. 3 David Ferrer (ESP) vs. No. 13 Kei Nishikori (JPN)
Not before 1 p.m.
No. 1 Serena Williams (USA) vs. No. 5 Na Li (CHN)
No. 16 Andreas Seppi (ITA) vs. No. 2 Andy Murray (GBR)
No. 6 Jo-Wilfried Tsonga (FRA) vs. No. 9 Marin Cilic (CRO)
Starting at 7:30 p.m.
No. 4 Agnieszka Radwanska (POL) vs. No. 30 Kirsten Flipkens (BEL)
Not before 9 p.m.
No. 1 Novak Djokovic (SRB) vs. No. 15 Tommy Haas (GER)
GRANDSTAND start 11 a.m.
Albert Ramos (ESP) vs. Jurgen Melzer (AUT)
No. 8 Richard Gasquet (FRA) vs. No. 10 Nicolas Almagro (ESP)
No. 17 Sam Querrey (USA) vs. No. 4 Tomas Berdych (CZE)
Not before 5 p.m.
No. 11 Gilles Simon (FRA) vs. No. 7 Janko Tipsarevic (SRB)
COURT 1 start: noon
No. 4 Ekaterina Makarova (RUS) / Elena Vesnina (RUS) vs. Wild Card Lisa Raymond (USA) / Laura Robson (GBR)
No. 4 Robert Lindstedt (SWE) / Nenad Zimonjic (SRB) vs. No. 8 Mariusz Fyrstenberg (POL) / Marcin Matkowski (POL)
Not before 2 p.m.
No. 1 Sara Errani (ITA) / Roberta Vinci (ITA) vs. No. 7 Bethanie Mattek-Sands (USA) / Sania Mirza (IND)