Leo Au (R) of China's Hong Kong competes during Round 1 match against Vikram Malhotra of India at the Black Ball Squash Open 2018 in Cairo, Egypt, on Dec. 3, 2018. Leo Au won 3-0. (Xinhua/Ahmed Gomaa)

　　Leo Au of China's Hong Kong competes during Round 1 match against Vikram Malhotra of India at the Black Ball Squash Open 2018 in Cairo, Egypt, on Dec. 3, 2018. Leo Au won 3-0. (Xinhua/Ahmed Gomaa)

　　Cameron Pilley of Australia competes during Round 1 match against Eain Yow Ng of Malaysia at the Black Ball Squash Open 2018 in Cairo, Egypt, on Dec. 3, 2018. Eain Yow Ng won 3-2. (Xinhua/Ahmed Gomaa)

　　Cameron Pilley (L) of Australia competes during Round 1 match against Eain Yow Ng of Malaysia at the Black Ball Squash Open 2018 in Cairo, Egypt, on Dec. 3, 2018. Eain Yow Ng won 3-2. (Xinhua/Ahmed Gomaa)

　　Cameron Pilley (R) of Australia competes during Round 1 match against Eain Yow Ng of Malaysia at the Black Ball Squash Open 2018 in Cairo, Egypt, on Dec. 3, 2018. Eain Yow Ng won 3-2. (Xinhua/Ahmed Gomaa)