Women's quarter-finals:

Y Takahashi & M Saiki (Jpn) bt J Johnson-Jordan/A Davis (USA) 15-9

A Behar & S Bede (Bra) bt T Gooley/P Manser (Aus) 15-7

N Cook & K Pottharst (Aus) bt L Bruschini & A Solazzi (ITA) 15-11

S Pires & A Samuel (Bra) bt H McPeak & M May (USA) 16-14

Men's quarter finals:

K Wong & R Heidger JR (USA) bt J Alberto Rodriguez Ibarra & Joel Sotelo Villalobos (Mex) 15-0

M Maia & J Brenha (Por) bt E Estaban Martinez & Martin Alejo Conde (Arg) 15-3

P Laciga & M Laciga(Sui) bt L Zahner & Julien Prosser (Aus) 15-8

J Loiola Jr & Emanuel Rego (Bra) bt N Berger & O Stamm (Aut) 16-14

J Child & M Heese (Can) bt S Ermishin & M Kouchnerev (Rus) 15-6

J Ahmann & A Hager (Ger) bt J Holden & C Leinemann (Can) 15-6

AFP