They beat sixth seeds Daniel Nestor of Canada and Russian Elena Likhovsteva to win the mixed doubles title.
The two are headed for a possible showdown in the Australian Open quarterfinal
Sania Mirza and Martina Hingis on Thursday claimed that the decision to end their astonishing partnership was due to the failure to achieve the "desired results" and added they would play together one last time in the season-ending WTA Finals in October.
India's campaign came to an end at the Western and Southern Open after Sania Mirza and her Swiss partner Martina Hingis crashed out.
The world No. 13 will be the top attraction at the September 18-24 WTA tournament in Kolkata.
Martina Hingis continued her successful comeback to competitive tennis when she advanced to the semi-finals of the Australian hardcourt championships on Thursday.
India's veteran Leander Paes and his Swiss partner Martina Hingis stayed on course for their third Grand Slam of the year after advancing to the mixed doubles final at the US Open, in New York, on Wednesday night.
India's Leander Paes and his Swiss partner Martina Hingis moved a step closer to their first French Open crown together as they breezed into the mixed doubles quarter-finals after dispatching fourth seeds Yaroslav Shvedova and Florin Mergea.
Aryna Sabalenka swept to her fourth successive Australian Open final with a 6-2, 6-3 win over Ukrainian Elina Svitolina.
World number one Amelie Mauresmo won 4-6, 6-4, 6-4 to enter the semi-finals of the German Open.
The Swiss beat Russian Svetlana Kuznetsova in the 7-6, 6-3 in their quarter-final match the Rogers Cup.
Sania Mirza and Martina Hingis are in line to win their second title in a row as they breezed into the Miami Open final with a straight sets win over Timea Babos and Kristina Mladenovic.
Venus Williams battled to a dramatic 4-6, 7-5, 6-4 victory over Martina Hingis to reach the quarter-finals of the Warsaw Cup
Former number one Martina Hingis is not impressed by the current crop of young players whose main focus is on hitting harder, rather than developing an all-round game, the Swiss veteran said.
The Swiss conceded she has no hope of surviving on the women's circuit unless she improves her serve and increases her all-round power.
India's Leander Paes entered the semi-finals of the mixed doubles event even as Sania Mirza crashed out in the quarter-finals at the Wimbledon.
Switzerland's former world number one Martina Hingis said her renewed hunger for competition inspired her forthcoming comeback in doubles but she has no plans to return in singles.
Swiss former World No. 1 Martina Hingis, a winner of five Grand Slam singles titles, has been nominated for induction into the International Tennis Hall of Fame.
Sania Mirza and Martina Hingis continued their domination in the women's doubles by winning the U.S. Open crown, their second Grand Slam of the season, after a crushing victory over Casey Dellacqua and Yaroslava Shvedova, in New York.
Sania Mirza and Leander Paes were on course for a Australian Open showdown as they reached the mixed doubles semifinals with their respective partners, in Melbourne.
It is totally possible that I won't play top tennis again, because my feet will not allow it, Blick newspaper quoted her as saying.
Martina Hingis made short work of Mashona Washington with a 6-1, 6-2 win in the first round of the Qatar Open
Former world number one Martina Hingis was knocked out by Jelena Jankovic at the Sydney International.
India's Sania Mirza and her Swiss partner Martina Hingis, on Thursday, rallied to win their 29th match in a row, to reach the Sydney International women's doubles final and break a 22-year-old world record en route.
The Swiss outclassed American Lisa Raymond 6-2, 6-2 to reach the second round of the French Open.
The last time Martina Hingis appeared in the Fed Cup for Switzerland she was a 17-year-old four-times Grand Slam champion with the world at her feet.
Martina Hingis crushed Maria Kirilenko 6-2, 6-1 to set up a semi-final clash with Maria Sharapova in Tokyo
The former world number one pulverised Cho Yoon-Jeong 6-0, 6-0 at the Pan Pacific Open
Former champions Martina Hingis and Svetlana Kuznetsova took different paths to the third round of the U.S. Open on Thursday.
Top seeds Sania Mirza and Martina Hingis entered the final at the Madrid Open after a crushing 6-2, 6-0 victory over Vania King and Alla Kudryavtseva on Friday. It is the second successive final for the Indo-Swiss pair following the runners-up finish in Stuttgart.
The two will meet in the semi-final of the Dubai Open on Friday
Former world number one Martina Hingis' first comeback tournament ended in the semi-finals when she was beaten by fourth seed Flavia Pennetta 1-6, 7-6, 6-2 at the Australian hardcourt championships on Friday.
Indian tennis ace Sania Mirza and her Swiss partner Martina Hingis extended their winning streak to 40 after clinching the St Petersburg Ladies Trophy on Sunday.
She defeated Anna-Lena Groenefeld 6-0, 7-5 to reach the second round of the Zurich Open.
Also entering the last eight of the Pan Pacific Open were Asian stars Li Na and Jie Zheng.
Sania Mirza and her Swiss partner Martina Hingis progressed through to the quarter-finals of the Italian Open with a straight sets victory in the women's doubles event in Rome.
The victory sent the Swiss through to the Italian Open final against 16th seed Dinara Safina.
