(1) Rafael Nadal vs. (28) Alexandr Dolgopolov: Nadal in 2. As long as the back is close to 100 percent, the defending champion should take care of business.

(23) Gael Monfils vs. (13) Fabio Fognini: Monfils in 3. The only guarantee is that this one will be high on the entertainment factor, but Monfils should have an edge on a hard court.

(10) Milos Raonic vs. Alejandro Falla: Raonic in 3. Falla warmed up for this one by beating Jerzy Janowicz; Raonic won’t be as generous with his serve as the Pole.

Jiri Vesely vs. (5) Andy Murray: Murray in 2. Murray got a wakeup call early in his second-rounder against Lukas Rosol…and he woke up.

(3) Stanislas Wawrinka vs. (29) Andreas Seppi: Wawrinka in 2. Wawrinka has two matches under his belt (one singles, one doubles, both wins), so he seems to…