Jack Sock | TENNIS.com

What to watch for at this week’s ATP indoor tournaments in Basel and Vienna.

Tsitsipas, Sock reach Stockholm Open quarterfinals

Both players needed three sets to advance.

Laver Cup puts personality, camaraderie and fun on full display

The event is a showcase for what we don’t see enough of during the rest of the season.

Team Europe retains Laver Cup, which proves its worth in Chicago

Team World pushed ahead on the scoreboard before Federer and Zverev clinched the Cup.

Laver Cup Day 3 Blog: Federer, Isner and Sunday's dramatic finale

Isner and Sock saved two match points to beat Federer and Zverev in a match tiebreak.