Iain Percy and Andrew Simpson are closing in on Britain's first medal at the World Sailing Championships. The pair posted an eighth and a first to go into the final day of Star class racing in the bronze position in the two-man keelboat class in Portugal.
They go into the double-points scoring final medal race 10 points off the gold medal position.
Brazilians Robert Scheidt and Bruno Prada are leading with Frenchmen Xavier Rohart and Pascal Rambeau in second.
European champion Paul Goodison has dropped down to seventh place in the Laser class after a 26,11, while Scot Charlotte Dobson is just 10 points off silver in the Laser Radial event.
Christina Bassadone and Saskia Clark are in sixth place overall in the 470 women's standings despite a mistake in the second race.
After a great start to the day with a race win, the pair mistakenly recrossed to avoid a costly penalty after believing they were early over the start line and ended up in ninth.
The 49er fleet did not complete their race schedule on Sunday, although current leaders Stevie Morrison and Ben Rhodes did get in their three races with another respectable showing of 4,1,4.