Men's Singles - First Round
[18] Janko Tipsarevic (SRB) d Pablo Cuevas (URU) 63 67(5) 63 ret.
Roberto Bautista Agut (ESP) d Thomaz Bellucci (BRA) 63 62 62
[26] Sam Querrey (USA) d Guido Pella (ARG) 76(3) 46 61 62
Florian Mayer (GER) d [28] Juan Monaco (ARG) 64 62 30 ret.
Carlos Berlocq (ARG) d Santiago Giraldo (COL) 63 36 67(6) 64 62
Adrian Mannarino (FRA) d Horacio Zeballos (ARG) 46 64 62 61
[Q] Rogerio Dutra Silva (BRA) d Vasek Pospisil (CAN) 46 36 76(9) 62 76(10)
[Q] Maximo Gonzalez (ARG) d [14] Jerzy Janowicz (POL) 64 64 62
[6] Juan Martin Del Potro (ARG) d G Garcia-Lopez (ESP) 63 67(5) 64 76(7)
Leonardo Mayer (ARG) d Victor Hanescu (ROU) 76(4) 64 36 76(4)
Men's Singles - Second Round
[2] Rafael Nadal (ESP) d [Q] Rogerio Dutra Silva (BRA) 62 61 60
[7] Roger Federer (SUI) d Carlos Berlocq (ARG) 63 62 61
Jack Sock (USA) d [Q] Maximo Gonzalez (ARG) 76(3) 16 75 62
Women's Singles - First Round
Paula Ormaechea (ARG) d Kimiko Date-Krumm (JPN) 63 76(7)
Alisa Kleybanova (RUS) d Monica Puig (PUR) 64 36 75
Donna Vekic (CRO) d Mariana Duque-Marino (COL) 76(5) 46 62
Women's Singles - Second Round
[16] Sabine Lisicki (GER) d Paula Ormaechea (ARG) 62 63