SINGAPORE - Ratchanok Intanon of Thailand will get a shot at history when she plays the women's singles final on Sunday at the OUE Singapore open.

The world No. 2 shuttler beat Akane Yamaguchi 21-12, 22-20 in the semi-finals on Saturday at the Singapore Indoor Stadium and will play the final against China's Sun Yu.

Sun won her semi-final against team-mate He Bingjiao 21-10, 21-16.

Should Ratchanok lift the Singapore Open title, the Thai former world champion will be the first women's singles shuttler to win three straight titles in as many weeks. She will also overtake Spaniard Carolina Marin as the world No. 1.

Ratchanok took two titles on the trot before arriving in Singapore, winning the India Open (Superseries) and Malaysia Open (Superseries Premier) events.

She said shortly after her win: "My opponent is very strong mentally. I watched her match against Marin in the quarter-finals and she does not get affected even when she is trailing. I told myself I had to control myself and try not to make mistakes.

"I've beaten Sun Yu before. I will try to relax, whether I win or lose."

In the men's singles event, South Korea's Son Wan Ho booked a berth in the final after beating Angus Ng of Hong Kong 22-20, 21-16.

China's Lin Dan is scheduled to play the other men's semi-finals.