Intro:

London Olympics silver medallist Lee Chong Wei is through to the final of BWF Superseries Japan Open in Tokyo, after victory in Saturday's semi-finals.

Script:

It was semi-finals day at the BWF Superseries Japan Open in Tokyo on Saturday.

In the much-anticipated men's singles clash, world number two Lee Chong Wei and top-ranked Indonesian Simon Santoso went face-to-face.

Lee closed out the match 21-7, 21-17 and now faces Thai veteran Boonsak Ponsana in the final.

The hosts booked the final spot in women's singles when 27-year-old Eriko Hirose beat Thailand's Porntip Buranaprasertsuk in straight games 21-19, 21-13.

She'll meet Chinese Taipei teenager Tai Tzu Ying in the final.

In men's doubles, number seven seeds Kim Ki Jung and Kim Sa Rang of Korea finished off Japanese pairing of Hiroyuki Saeki and Ryota Taohata 21-9, 21-8 in just 24 minutes.

Meanwhile, in the mixed doubles, Indonesian Lilyana Natsir and Muhammad Rijal defeated number three seeds and local hopefuls Shintaro Ikeda and Reiko Shiota 21-9, 21-11.

It was Shiota's last match of her career - the 29-year-old announced her retirement before the tournament.

In the women's doubles, Poon Lok Yan and Tse Ying Suet of Hong Kong came back against local girls Miyuki Maeda and Satoko Suetsuna to win 16-21, 21-8, 21-18.