Russia's Andrey Rublev hits a return to compatriot Daniil Medvedev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Andrey Rublev returns to compatriot Daniil Medvedev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Andrey Rublev reaches for a return to compatriot Daniil Medvedev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Daniil Medvedev celebrates after defeating compatriot Andrey Rublev in the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Daniil Medvedev hits a return to compatriot Andrey Rublev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Daniil Medvedev hits a return to compatriot Andrey Rublev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Daniil Medvedev hits a return to compatriot Andrey Rublev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Daniil Medvedev hits a return to compatriot Andrey Rublev during the men's singles final at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 29, 2026. (Photo by AFP via Getty Images) / China OUT