answers: 29
context: Williams sisters rivalry Venus Williams and Serena Williams (born June 17, 1980, and September 26, 1981, respectively) are professional tennis players and sisters who have faced off 30 times in professional tournaments, most recently in the 2018 US Open event. Serena leads their head-to-head 18–12. Both Williams sisters have been ranked World No. 1: Venus for a total of 11 weeks, beginning in February 2002; Serena for a total of 316 weeks, beginning in July 2002. The Williams sisters are the only two women during the open era to play each other in four consecutive Grand Slam finals: from the </s> (6). She also holds the all-time record for the most women's singles matches won at majors with 331 matches. Williams has won 14 Grand Slam doubles titles, all with her sister Venus, and the pair are unbeaten in Grand Slam doubles finals. As a team, she and Venus have the third most women's doubles Grand Slam titles, behind the 18 titles of Natasha Zvereva (14 with Gigi Fernández) and the record 20 titles won by Martina Navratilova and Pam Shriver. Williams is also a five-time winner of the WTA Tour Championships in the singles division. She has also won four </s> that included $4,000 for a coaching violation, $3,000 for racket abuse and $10,000 for verbal abuse towards the umpire. Williams is hailed by many coaches, players and sportscasters to be one of the best female tennis players in the Open Era. Her numerous victories on court have largely been a positive influence on young girls and boys who see Williams as a role model and an ambassador of tennis. Some commentators, players and sports writers regard Williams as the greatest female tennis player of all time. Williams announced her engagement to Reddit co-founder Alexis Ohanian on December 29, 2016. She
question: how many times has serena and venus played each other