A foot injury forced former US Open champion Emma Raducanu to retire from her Korea Open quarterfinal clash with top seed Daria Kasatkina after losing the first set 6-1 on Saturday.

Britain's Emma Raducanu recorded a 7-6 (4), 7-6 (5) win over Peyton Stearns in the first round of the Korea Open on Tuesday in Seoul. Raducanu, who was playing for the first time since losing in the first round of the U.

Briton's Emma Raducanu earns a hard-fought win in a "tough" match against Peyton Stearns in the first round of the Korea Open.

Emma Raducanu has progressed to the second round of the Korean Open after defeating Peyton Stearns in straight sets on Tuesday.

Emma Raducanu battled to victory over American Peyton Stearns in the opening round of the Korea Open. A topsy-turvy contest featuring 12 breaks of serve eventually went the way of the former US Open champion after two hours and 43 minutes as she wrapped up a 7-6 (4) 7-6 (5) win in Seoul.