Rafael Nadal and Grigor Dimitrov met for the 15th time in the last year’s Monte Carlo third round. The Spaniard defeated the Bulgarian for the 14th time following a 6-1, 6-1 win in 55 minutes, advancing into his 16th quarter-final in the Principality.The top favorite held everything under control on serve and return. Rafa dropped eight points behind the initial shot and never faced a break point. On the other hand, the Bulgarian suffered five breaks, never finding his rhythm and leaving the court in under an hour.Rafa tamed his strokes nicely and took advantage of his rival’s over 30 unforced mistakes …