Husband, coach, punching bag

Top: The love between China's tennis ace Li Na and her husband and coach Jiang Shan is one of the important motiving factors in LI's career. Left: Li celebrates with Jiang after winning the gold medal with the Hubei team at the 10th National Games on Oct 11, 2005, in Nanjing, Jiangsu province. Right: Jiang gives Li instructions during a first-round match at the China Open on Oct 2, 2011. "No matter whether Jiang is a good coach or not, he knows me best," LI said. Provided to China Daily