Sony Ericsson Open: Day 4

Singles Second Round
1 Rafael Nadal (ESP) def. Teimuraz Gabashvili (RUS) 6-2 6-2
4 Andy Murray (GBR) vs. Juan Monaco (ARG) 4-6 6-3 6-2
6 Juan Martin Del Potro (ARG) def. Martin Vassallo Arguello (ARG) 6-2 6-2
8 Fernando Verdasco (ESP) def. Q Benjamin Becker (GER) 6-3 6-4
11 David Ferrer (ESP) def. Q John Isner (USA) 6-3 3-6 6-2
12 Fernando Gonzalez (CHI) def. Igor Kunitsyn (RUS) 6-4 6-4
Viktor Troicki (SRB) def. 14 David Nalbandian (ARG) 6-1 6-3
16 Stanislas Wawrinka (SUI) def. Andreas Seppi (ITA) 7-5 7-5
17 Marin Cilic (CRO) def. Q Amer Delic (USA) 6-3 6-7(7) 6-3
18 Radek Stepanek (CZE) def. Bobby Reynolds (USA) 7-5 6-7(3) 6-2
20 Igor Andreev (RUS) def. Yen-Hsun Lu (TPE) 7-6(4) 6-3
*LL Bjorn Phau def. Albert Montanes (ESP) 6-4 2-0 ret. hamstring
Q Frederico Gil (POR) def. 26 Ivo Karlovic (CRO) 6-4 6-4
Nicolas Massu (CHI) def. 27 Mardy Fish (USA) 5-7 7-6(4) 6-2
Janko Tipsarevic (SRB) def. 30 Juergen Melzer (AUT) 6-4 6-3
32 Feliciano Lopez (ESP) def. Sam Querrey (USA) 6-7(5) 7-5 6-2
*replaces 24 Richard Gasquet - shoulder

Double First Round
1 B. Bryan (USA)/M. Bryan (USA) def. N. Kiefer (GER)/R. Schuettler (GER) 7-6(2) 7-5
J. Benneteau (FRA)/J. Tsonga (FRA) def 3 M. Bhupathi (IND)/M. Knowles (BAH) 3-6 7-5 10-6
7 J. Coetzee (RSA)/W Moodie (RSA) def. J. Cerretani (USA)/V. Hanescu (ROU) 6-3 6-3
A. Fisher (AUS)/S. Huss (AUS) def. P. Mathieu (FRA)/M. Safin (RUS) 6-3 6-4
F. Cermak (CZE)/M. Mertinak (SVK) def. J. Chardy (FRA)/G. Simon (FRA) 6-3 6-4