Yamaguchi hasn't won a title for some time Reuters

The semi-finals of the BWF World Tour Super 300 Korea Masters 2019 would see a very interesting contest between top seed Akane Yamaguchi and future superstar An Se Young. Yamaguchi, who went through a torrid time before last week's Hong Kong Open, seems to be back in rhythm. But she would have her task cut out against her Korean adversary.