THE number one doubles seeds were sensationally bounced out from the opening round of the second William Loud Bendigo International on Tuesday.
Russia's Arina Rodionova and Thailand's Noppawan Lertcheewakarn lost a thrilling super tiebreaker 10-8 to Nicole Collie and Croatia's Ema Mikulcic.
The top seeds forced the tiebreaker after fighting back to level scores 2-6 6-3.
Collie and Mikulcic were ranked 1200 in the world heading into the match, almost 1000 spots lower than their opponents.
The duo will face Azra Hadzic and Jessica Moore in the quarter-finals.
Hadzic and Moore ousted Sasha Bollweg and Monika Rajicic 6-0 6-3 in their all-Australian opening round match.
Second seeds Olivia Rogowska and Monique Adamczak cast aside Karolina Wlodarczak and Thailand's Varunya Wongteanchai 6-0 6-1.
The pair take on Tyra Calderwood and Kiwi Dianne Hollands in the quarter-finals after their dramatic 6-3 0-6 11-9 win over Emma Hayman and Petra Krejsova.
Third seeds Sally Peers and Stephanie Bengson will play a quarter-final against Alison Bai and Japan's Sachie Ishizu.
Peers and Bengson knocked-off Nicole Hoynaski and Ashley Keir 6-1 6-3.
Bai and Ishizu defeated Naiktha Bains and Ashling Sumner 6-2 6-1.
Doubles matches continue on Wednesday at the Nolan Street courts.