Serena Williams' dog Chip at U.S. Open as tennis great mourns loss of another

Aug. 28 (UPI) -- Tennis star Serena Williams' Yorkshire terrier, named Christopher "Chip" Rafael Nadal, is accompanying her to the U.S. Open in the wake of the death of another of her dogs, Lauerlei.

Chip, named for Spanish tennis great Rafael Nadal, has his own Instagram account with more than 13,000 followers.

On Saturday, he could be seen courtside as Williams practiced at the USTA Billie Jean King National Tennis Center. The tournament starts Monday.

Williams announced Saturday that her dog Lauerlei has died.

U.S. Open tennis: Raducanu-Collins, Shapovalov-Rublev potential big early matches