French Open quarterfinals, Italian tennis player Lorenzo Musetti found himself at the center of controversy after an incident ...

For decades, tennis events played on clay have relied on human line judges calling the bounce of the ball and chair umpires coming down to inspect the marks they leave in the red dirt. At some ...

World No. 2 Alexander Zverev became the latest tennis player ... backhand down the line. Zverev watched it bounce and no call came from the electronic system, meaning the ball was ruled in.