Chinese two-time Grand Slam champion Li Na (R) and India's Sania Mirza (C) taking part in 2017 WTA Wuhan Open try to make traditional Wuhan food "Hot Dry Noodle" in Wuhan, capital of Central China's Hubei province, on Sept 25, 2017. [Photo/Xinhua]

Chinese two-time Grand Slam champion Li Na (2nd L) and India's Sania Mirza (2nd R) taking part in 2017 WTA Wuhan Open learn to make traditional Wuhan food "Hot Dry Noodle" in Wuhan, capital of Central China's Hubei province, on Sept 25, 2017. [Photo/Xinhua]

Chinese two-time Grand Slam champion Li Na (R) and India's Sania Mirza taking part in 2017 WTA Wuhan Open try to taste traditional Wuhan food "Hot Dry Noodle" in Wuhan, capital of Central China's Hubei province, on Sept 25, 2017. [Photo/Xinhua]

Chinese two-time Grand Slam champion Li Na (R) plays tennis with India's Sania Mirza taking part in 2017 WTA Wuhan Open in front of Wuhan Art Museum in Wuhan, capital of Central China's Hubei province, on Sept 25, 2017. [Photo/Xinhua]

Chinese two-time Grand Slam champion Li Na (L) takes a photo with India's Sania Mirza taking part in 2017 WTA Wuhan Open at Zhongshan Avenue, a historical and cultural avenue in Wuhan, capital of Central China's Hubei province, on Sept 25, 2017. [Photo/Xinhua]