Ernests Gulbis | TENNIS.com - Live Scores, News, Player Rankings

Unheralded youngster Ugo Humbert continues breakout week in Marseille

The young Frenchman upset the second seed in Marseille for his best tour result.

Jack Sock is on the verge of a significant rankings plunge

The American could be well out of the Top 100 by season's end.

Enigmas Ernests Gulbis, Bernard Tomic have shown they're far from done

Struggling with motivation in the past, the two players are battling back up the rankings.

Tsitsipas wins Stockholm for first ATP title, making Greek history

The 20-year-old became the first Greek player to win an ATP World Tour title.

Gulbis beats Isner to reach Stockholm Open final

The world No. 145 will face 20-year-old Stefanos Tsitsipas in the final.