Ben Shelton hits a return during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Casper Ruud hits a return during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Ben Shelton hits a return during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Casper Ruud hits a return during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Ben Shelton hits a return during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Casper Ruud hits a return during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Ben Shelton reacts during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)

Casper Ruud serves during the men's singles 4th round match between Ben Shelton of the United States and Casper Ruud of Norway at the Australian Open tennis tournament in Melbourne, Australia, Jan. 26, 2026. (Photo by Wang Shen/Xinhua)