Former world No. 1 Andy Roddick thought the lack of matches was evident in Novak Djokovic’s first clay match of the season but added it’s not a big thing to worry about. On Tuesday, Djokovic kicked off his clay season at the Monte Carlo Masters. Djokovic, seeded at No. 1, had a first round bye before he was upset by Alejandro Davidovich Fokina. Davidovich Fokina, ranked at No. 46 in the world, clinched the biggest win of his career after he stunned Djokovic 6-3 6-7 (5) 6-1. Djokovic was playing just his second tournament of the season. “He’ …