And with this week’s rankings determining the seeds at Roland Garros, he’s projected to be the top seed in Paris.

We talk to men’s coach Billy Martin about the leaps Mackenzie McDonald, Marcos Giron and Maxime Cressy have made, and why the college experience has worked for others on tour.

The last time four Americans secured last four spots at an ATP event was back in 2004.

"We are excited and hungry, at the doorstep," Giron tells TENNIS.com from Dallas, where he's into the quarterfinals.

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.