Rafael Nadal has advanced to the third round of the Madrid Masters after beating Miomir Kecmanovic 6-1, 7-6 in one hour and 55 minutes. It was Nadal’s first match since the Indian Wells final, and he had ups and downs, especially in the second set and from his backhand.Still, the four-time Caja Magica champion did enough to seal the deal in straight sets and advance to the next round against an opponent in top form. The Spaniard lost serve twice in the second set and produced four breaks.Nadal had 29 winners and 23 unforced errors, dominating with his forehand but making a few back …