"That was an amazing match for us," Vesnina was quoted as saying by the WTA Tour.
"We played against them just a week ago, and they're one of the greatest doubles teams we have in women's tennis. I think everything worked today for us to win, and we're just so excited about it."
Mirza and Hingis had started their win streak in September at the U.S. Open, the first of nine straight titles. If they had won the Qatar event they would have tied Natasha Zvereva of Belarus and Czech Jana Novotna's 1990 mark of 44 consecutive wins.
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The longest women's doubles win streak is 109 matches, set by American pair Martina Navratilova and Pam Shriver between 1983 and 1985.
(Writing by Patrick Johnston in Singapore; Editing by Ian Ransom)
