Great Britain's Helena Lucas remains on course for 2.4mR sailing gold and is guaranteed to leave London 2012 with at least a silver medal.
The 37-year-old finished eighth and fifth on Wednesday to give her a nine-point cushion over second-place German Heiko Kroger heading into Thursday's final race. Lucas, the only woman in the fleet, is guaranteed silver and looks good for gold, meaning Britain are sure to win their first medal since sailing joined the Paralympic programme in 2000.
Indeed, Britain will leave with at least two medals as Alexandra Rickham and Niki Birrell are guaranteed no worse than bronze, sitting third in the SKUD standings heading into the final race.
There could be even more success for the Paralympic hosts as John Robertson, Hannah Stodel and Steve Thomas moved third in the Sonar standings.