Great Britain's James Guy and the USA's Ryan Lochte will fight it out for a medal in tomorrow's 200m freestyle final at the World Championships in Kazan after finishing their respective semi-finals fastest in the field.
Nineteen-year-old Guy, who clocked 1:46.10 in the heats this morning, is on course for a second medal after claiming 400m freestyle silver on Sunday.
In the first 200m free semi-final of the day, Guy stormed to first place by more than half a second to claim a British record time of 1:45.43, while Lochte surprised in the second showdown to ease to the top of the timesheet in 1:45.36.
Britain's Calum Jarvis failed to reach the final after finishing 14th overall in a time of 1:47.64.
