Japan's Kei Nishikori faces a Wimbledon fitness battle after a calf injury forced him to quit his Halle semi-final against Andreas Seppi on Saturday. Kei Nishikori has withdrawn from the Australian Open and the ATP Cup, revealing he is still not over his troublesome elbow injury. Nishikori, who turned 30 on Sunday, has not played since the US Open in August and also admitted earlier in the year that the last time he played without pain was considerably earlier than that too. Kei Nishikori withdrew from the Estoril Open on Tuesday with an abductor injury, but does not think the issue is serious. Kei Nishikori withdrew from the Millennium Estoril Open on Tuesday, citing a right abductor injury. Kei Nishikori out of Australian Open with elbow injury December 30, 2019 GMT MELBOURNE, Australia (AP) — A day after Andy Murray put his Grand Slam comeback on hold, Japan’s Kei Nishikori has become the latest high-profile player to withdraw from next month’s Australian Open, citing a right elbow injury. "I am very disappointed to have to withdraw from Estoril. Former champion Alexander Zverev will hope to rekindle his early-season form. One of the top contenders in the men's singles field at Wimbledon is now out of the equation as fifth-seeded Kei Nishikori was forced to withdraw Wednesday due to injury. Head-to-head: Zverev 2-1 Nishikori. TOKYO - Home favourite Kei Nishikori gave his fans a fright with an injury scare in the second set before recovering to beat Jeremy Chardy of France on Friday to remain on course for another Japan Open title. Nishikori was the first man from Asia to reach a Grand Slam singles final when he finished runner-up at the 2014 U.S. Open but he has struggled for consistency during an injury-plagued career. Tennis star Kei Nishikori is currently dealing with a hip injury that will keep him out of at least one tournament.. Continue for updates. He faces Kei Nishikori in a marquee second-round match. He was perturbed by a debilitating elbow injury that affected his service motion and overhead balls. "Yesterday, unfortunately, I stepped wrong and hurt my right abductor. I came here early, took some days off and then had two very good days of practice," Nishikori said in a statement. Kei Nishikori puts a curtain on 2019 season after more injury setbacks. The German decided to take a shot and practice serve ahead of Madrid, feeling better and scoring a 6-3, 6-2 victory over Kei Nishikori in the second round in 74 minutes. Unable to play injury-free, Kei had to … Zverev has been slow off the blocks since the beginning of the claycourt swing. The fourth seed was due to play Kevin Anderson in the second round of the clay court ATP 250 tournament after receiving a first round bye.