The former No. 1 began his quest for a 21st major title in earnest on Monday as the men's event got underway.

How an unlikely new American male rose up the rankings, and why he's probably not done climbing.

The Southern California native came back from a set down to defeat US Open quarterfinalist Botic Van de Zandschulp.

Here are the Americans that made moves across both tours last week.

After struggling with injuries for most of his career, the former UCLA standout is in his first ATP semifinal, and playing the best tennis of his life.

Here are this week’s American movers and shakers around the tour.

The talented Spaniard looks like the favorite to capture his second career title this week.

The world No. 1 from Serbia defied the heat—and perhaps even good sense—by signing up to play mixed doubles as well as singles for his country.

UCLA alone has four alums representing their respective countries later this month.

The 23-year-old American kicked off his Miami Open campaign Friday, winning eight of 11 net points during his 6-2, 6-2 win over countryman Marcos Giron.