By Jon Wertheim While his run for a record 23 major title was put on hold, as well as his Calendar Slam chase, Nadal’s decision tells us he wants to play on. WIMBLEDON, England—When Rafael Nadal calls an impromptu press conference late in the evening during a Grand Slam, the chances for good news are slim. It was the case Thursday, when the 22-tine Grand Slam champion told reporters he was withdrawing from Wimbledon before a much-anticipated semifinals clash against Nick Kyrgios due to an abdominal tear that was aggravated during a five-set marathon victory over Taylor Fritz in the previous ro…