The Bulgarian star will join the Bryan Brothers, who are making their last appearance at the event.
The three-time major champion is looking for new energy in 2020.
The International Tennis Hall of Fame traces the life and growth of tennis racquets in a new digital exhibit.
The Ukrainian has tremendous potential and Bajin has big-time experience.
“We can win it for sure,” Nick Kyrgios said of Australia's Davis Cup prospects.
World No. 1 leads Spain past Russia, offers reaction to new Davis Cup format.
Washington state will host its first Fed Cup tie in February.
