The "Quad Fathers" edged past Italians Jannik Sinner and Lorenzo Sonego to thrill the home crowd in their first men’s doubles match.

Another edition of Line Calls, another All-American battle under the lights at the BNP Paribas Open.

Mackenzie McDonald also advanced, setting up a second-round meeting with No. 2 seed Frances Tiafoe.

Can the Russian, comfortably into the second round, put a season to forget behind him with a fresh start Down Under?

The No. 2 seed fended off American Marcos Giron, 6-1, 6-7 (5), 6-2, ín the quarterfinals of the ASB Classic

The former NCAA champion made a long-awaited Top 50 debut after finishing runner-up at his first ATP final this fall.

Fresh off a first ATP final, the American is making up for lost time after multiple hip surgeries delayed his arrival. But first: a trip to Gijon.

Brandon Nakashima will face former NCAA champion Marcos Giron in the San Diego Open singles final, an all-Southern California matchup between two friends who are also frequent practice partners

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.