Moscow: Indo-Spanish pair of Sania Mirza and Nuria Llagostera lost out to Americans Raquel Kops-Jones and Abigail Spears in the women's doubles quarter-finals of the Kremlin Cup here on Thursday.
The third seeds were upset in one hour and 40 minutes in the last eight clash.
Double faults proved costly for Sania and Nuria as they served six of them at crucial junctures of the match in comparison to two of their opponents.
The unseeded Americans also broke the Indo-Spanish pair when needed in a topsy-turvy match, where service games were regularly broken.
Story first published on: Thursday, 18 October 2012 19:18 IST