Hubert Hurkacz of Poland hits a return during the men's singles match against Alexander Zverev of Germany in the Group F round robin match between Poland and Germany at the 2026 United Cup tennis tournament in Sydney, Australia, Jan. 5, 2026. (Xinhua/Ma Ping)
Alexander Zverev of Germany communicates with umpire during the men's singles match against Hubert Hurkacz of Poland in the Group F round robin match between Poland and Germany at the 2026 United Cup tennis tournament in Sydney, Australia, Jan. 5, 2026. (Xinhua/Ma Ping)
Alexander Zverev of Germany reacts during the men's singles match against Hubert Hurkacz of Poland in the Group F round robin match between Poland and Germany at the 2026 United Cup tennis tournament in Sydney, Australia, Jan. 5, 2026. (Xinhua/Ma Ping)
Hubert Hurkacz of Poland hits a return during the men's singles match against Alexander Zverev of Germany in the Group F round robin match between Poland and Germany at the 2026 United Cup tennis tournament in Sydney, Australia, Jan. 5, 2026. (Xinhua/Ma Ping)
Alexander Zverev of Germany hits a return during the men's singles match against Hubert Hurkacz of Poland in the Group F round robin match between Poland and Germany at the 2026 United Cup tennis tournament in Sydney, Australia, Jan. 5, 2026. (Xinhua/Ma Ping)
Alexander Zverev of Germany reacts during the men's singles match against Hubert Hurkacz of Poland in the Group F round robin match between Poland and Germany at the 2026 United Cup tennis tournament in Sydney, Australia, Jan. 5, 2026. (Xinhua/Ma Ping)
