NEW YORK—For some in tennis, the serve clock was long awaited. For others, it was long dreaded. Not surprisingly, its introduction during the North American hard-court season this summer has ...

However, there are a few different theories: — Tennis scoring was "originally" kept on clock faces, with hands being placed at 15, 30 and 45 minute marks to keep score. The 45-minute mark was ...

"No shot clock," he said. "It's enough time, it's great, but I don't like it." He also came out against five-set matches, saying that "tennis matches need to be more dynamic and shorter for a ...

In the thrilling world of professional tennis, where young stars constantly ... turning back the clock with resurgent performances that culminated in final appearances in Hong Kong and Brisbane ...