Zhang Zhizhen hits a return during the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
Zhang Zhizhen serves during the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
Grigor Dimitrov celebrates after winning the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
Zhang Zhizhen hits a return during the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
Zhang Zhizhen hits a return during the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
Grigor Dimitrov hits a return during the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
Grigor Dimitrov serves during the men's singles 1st round match between Zhang Zhizhen of China and Grigor Dimitrov of Bulgaria at Erste Bank Tennis Open in Vienna, Austria, Oct. 23, 2024. (Xinhua/He Canling)
