Nadal def. Seppi 6-0, 7-5, 6-1 (first matched played under Arthur
Isner def. Darcis 6-3, 6-4, (10)6-7, 6-3
Sock def. Zverev 6-1, 6-1, 6-2
Keys def. Day 6-1, 6-1
Harrison def. Raonic (4)6-7, 7-5, 7-5, 6-1
fijassen: Rafael Nadal def. Andreas Seppi 6-0, 7-5, 6-1 to reach