Martina Hingis (L) of Switzerland talks to Jamie Murray of Great Britain during the mixed doubles final match against Hao-Ching Chan of Chinese Taipei and Michael Venus of New Zealand at the 2017 US Open in NY, the United States, Sept. 9, 2017.
Hingis, already a member of the International Tennis Hall of Fame, and Murray are 10-0 as a duo.
It was the 24th singles or doubles Grand Slam title for Hingis, who has a shot at a 25th when she partners Chan Yung-jan in the women's doubles final at Flushing Meadow on Sunday (Monday NZ Time).
Martina Hingis and Jamie Murray have been the ideal partnership.
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Hingis, who shared the mixed doubles title Saturday with Britain's Jamie Murray, won her 13th Grand Slam women's doubles title and Chan took her first as they defeated Czechs Lucie Hradecka and Katerina Siniakova 6-3, 6-2. Hingis and Murray won $US675,000 ($NZ930,000). "So that's not an issue this time, I believe", she said.
The Scot said: "This scoring format is a lot more random than at Wimbledon".
And the 36-year-old - she turns 37 later this month - appeared to hint during the press conference that she is thinking about retiring for a third time. "Like, a great opportunity for me to compete with Martina".
"I did play a lot of mixed doubles when I first started playing and had a lot of success".
Considering their outstanding record together - they are unbeaten since Hingis first suggested that they should play together at Wimbledon this summer - the Swiss player's reluctance to commit to the future might be seen as an indication that she is looking ahead to a life beyond tennis.