Question 1:
Which player famously upset Serena Williams in the semifinals of the 2015 US Open?
Explanation: The correct answer is C) Roberta Vinci. In one of the greatest upsets in US Open history, Roberta Vinci defeated Serena Williams in the semifinals of the 2015 US Open, ending Serena's quest for a calendar-year Grand Slam.
Question 2:
Which player caused a major upset by defeating Pete Sampras in the round of 16 at the 2002 US Open?
Explanation: The correct answer is B) Marat Safin. Marat Safin caused a major upset by defeating Pete Sampras in the round of 16 at the 2002 US Open, ending Sampras' reign as the defending champion.
Question 3:
Which unseeded player defeated Rafael Nadal in the fourth round of the 2009 US Open?
Explanation: The correct answer is A) Juan Martin del Potro. Juan Martin del Potro, an unseeded player at the time, defeated Rafael Nadal in the fourth round of the 2009 US Open. Del Potro went on to win the tournament, claiming his first Grand Slam title.
Question 4:
Who caused a major upset by defeating Venus Williams in the final of the 1997 US Open?
Explanation: The correct answer is A) Martina Hingis. Martina Hingis caused a major upset by defeating Venus Williams in the final of the 1997 US Open, becoming the youngest Grand Slam singles champion of the 20th century.
Question 5:
Which player stunned Jimmy Connors in the quarterfinals of the 1991 US Open?
Explanation: The correct answer is C) Michael Chang. Michael Chang stunned Jimmy Connors in the quarterfinals of the 1991 US Open, displaying remarkable determination and resilience throughout the match.