Kei's R1 opponent is Croat Franco Skugor.
He beat Witten, Yo and Bogolomov Jr to qualify.
Here's OOP for Tuesday.
Matches start at 11 a.m.
Robert KENDRICK (USA) vs Somdev DEVVARMAN (IND)
Tim SMYCZEK (USA) vs Ryan SWEETING (USA)
Franco SKUGOR (CRO) vs Kei NISHIKORI (JPN)
Benjamin BECKER (GER)/Benjamin BECKER (GER) vs John ISNER (USA)/Sam QUERREY (USA)
Ryan HARRISON (USA)/Ryan SWEETING (USA) vs Travis RETTENMAIER (USA)/Horacio ZEBALLOS (ARG)
Good luck, Kei!!