Russia are the frontrunners to qualify for the duets final in the synchronised swimming after finishing the technical routine stage in first place.
Natalia Ishchenko and Svetlana Romashina lived up to their tag as pre-tournament favourites, earning an impressive score of 98.2 for their routine.
The duo go into the free routine phase with a comfortable lead over China's Huang Xuechen and Liu Ou, who earned 96.1 for their kung-fu-themed performance.
Spain's Ona Carbonell Ballestero and Andrea Fuentes Fache ended the afternoon in third, racking up a score of 96.0 for their flamenco-flavoured moves.
Team GB pair Jenna Randall and Olivia Federici put in an impressive swim, performing to a higher tempo version of 'In the Hall of the Mountain King'.
The judges awarded them 88.1, which leaves them in ninth place and keeps their hopes of making the last 12 alive going into tomorrow's free routine.
