Japan's third seed Kei Nishikori battled his way through to the second round of the Gerry Weber Open after beating his tournament doubles partner Fernando Verdasco of Spain 6(7)-7, 6-3, 6-4 on Tuesday.Nishikori, ranked ninth in the world, came from a set down to beat the 34th-ranked Spaniard at the French Open on June 5. He again trailed here, this time on the grass court, but showed resilience to win in 2 hours, 24 minutes."Not giving in was the reason behind the win," said Nishikori, who came through with just four aces to Verdasco's 14. "My ground strokes and returns picked up gradually …READ FULL ARTICLE