J Del Potro 7/4 to defeat S Wawrinka
G Dimitrov 4/6 to defeat S Johnson
N Mahut v P Herbert over 3.5 sets 4/7
D Goffin v D Istomin over 3.5 sets 4/7
A Sasnovich 6/4 to defeat A Beck
Y Putintseva 1/1 to defeat A Pavlyuchenkova
M Doi 8/11 to defeat A Friedsam
C Witthoeft v A Kerber over 17.5 games 4/7
G Dimitrov 4/6 to defeat S Johnson
N Mahut v P Herbert over 3.5 sets 4/7
D Goffin v D Istomin over 3.5 sets 4/7
A Sasnovich 6/4 to defeat A Beck
Y Putintseva 1/1 to defeat A Pavlyuchenkova
M Doi 8/11 to defeat A Friedsam
C Witthoeft v A Kerber over 17.5 games 4/7