Tsitsipas, Sock reach Stockholm Open quarterfinals
STOCKHOLM (AP) — Third-seeded Stefanos Tsitsipas and No. 4 Jack Sock both needed three sets to reach the quarterfinals of the Stockholm Open on Wednesday.
Tsitsipas beat John Millman of Australia 6-4, 3-6, 6-3 in a little more than two hours, while Sock outlasted Swedish home favorite Elias Ymer 7-5, 3-6, 6-3 at the indoor hardcourt tournament. Chung Hyeon of South Korea also reached the quarters by beating American Denis Kudla 6-3, 6-3.
LOS CABOS, Mexico (AP) — Juan Martin del Potro opened his summer hard-court season with a 7-5, 6-3 victory over American Marcos Giron on Wednesday night in the Mifel Open.
Playing for the first time since losing to Rafael Nadal in the Wimbledon quarterfinals, the top-seeded del Potro set up a quarterfinal match against Egor Gerasimov.
ESTORIL, Portugal (AP) — Fifth-seeded Juan Martin del Potro beat Yuichi Sugita of Japan 6-1, 6-3 in the first round of the Estoril Open on Tuesday.
The former U.S. Open champion hit eight aces and broke Sugita four times to ease to the win in his clay-court debut for the season.
Del Potro, who won the Portuguese tournament in 2011 and 2012, will face American Ryan Harrison next after he beat Guillermo Garcia-Lopez 6-3, 2-6, 6-2.
Heather Watson advances in BNP Paribas Open
Indian Wells, Calif. (AP) — Britain's Heather Watson beat American Nicole Gibbs 4-6, 6-2, 6-2 on Wednesday in the first round of the BNP Paribas Open.
Watson will face No. 11 Johanna Konta in the second round.
Former No. 1 Martina Hingis and double partner Yung-Jan Chan beat Raquel Atawo and Yifan Xu 6-1, 6-4.