New York: World number one Serena Williams stayed on course for the first calendar Grand Slam since 1988, advancing to the semifinals of the US Open Tuesday by beating her older sister Venus Williams 6-2, 1-6 and 6 -3.
Three-time defending champion Serena reached a semifinal Thursday against 43rd-ranked Roberta Vinci of Italy, who eliminated France’s 40th-ranked Kristina Mladenovic 6-3, 5-7, 6-4. Serena, who has all four major trophies, two wins to complete the first calendar Grand Slam since Steffi Graf 27 years ago and set career Open Era record of 22 singles titles Graf, two shy of mark moved all time Australian Margaret Court. Playing at a high standard throughout, the sisters organized a classic in the Arthur Ashe stadium, which was packed with 23,771 fans, including celebrities such as US presidential candidate Donald Trump and television mogul Oprah Winfrey.
Serena fired 35 winners with 22 unforced errors and 12 aces, the last coming on match point. Venus had 24 winners, 15 unforced errors and eight aces.
Three-time defending champion Serena, the younger sister of two years at 33, improved to 53-2 on the season and took a 16-11 advantage in the rivalry between brothers, among them an advantage 9-5 in Grand meetings Slam and 3- 2 lead in the results of the US Open.
Serena, looking for a record in the Open Era seventh US Open crown in general, is on a 33-match Grand Slam winning streak and 26-match US Open winning streak, his last loss on the hard courts of Flushing Meadows come to Samantha Stosur in the 2011 final.
Venus, in the deepest workings US Open in five years, was seen as one of the greatest threats to ruin Serena historic race.
“Losing is not fun,” Venus said. “Probably the most gratifying is that I’m still very excited to see Serena has a chance to win all four majors. I think that’s the best part.”
Venus, seeded 23, was seeking his third US Open crown after 2000 and 2001 to add Slam trophy haul that also includes five Wimbledon titles, most recently in 2008.