Badminton World Federation current No. 4 Lin Dan of China fought back to overcome unseeded compatriot Xue Song 18-21, 21-15, 21-9 to advance to the final round of the All England Badminton Championships on Saturday.

Lin, a five-time champion of the tournament, battled his way through his semifinals showdown with the 30^th ranked in the world beating the third-seeded Dane Jan O Jergensen last Friday and rallied past Xue following a first set loss.

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"In the last few matches I have made mistakes but I was really pleased how I came back," said the two-time Olympic gold medalist Lin, who is eyeing his sixth All-England title. "My winter training has really improved things and it has given me plenty of physical reserves."

In the decider, the 22-year-old Xue was forced to stop due to cramps, before Lin wrapped up the victory after one hour and 28 minutes.

"Mentally I was a little bit soft today," said Xue, who defeated the world No. 6 Victor Axelsen in the quarterfinals.

The tournament's fifth-seeded Lin will play against Tian Houwei of China, who defeated Kristian Vittinghus, in the final on Sunday.

While in the women's semifinal, seventh seed and current world No. 5 Chinese Wang Shixian, the 2014 winner, outlasted the 9^th best female badminton player in the world Tai Tzu Ying of Chinese Taipei 21-23, 21-12, 21-15.

She will fight for the title against the eighth-seeded and No. 8 in the world Nozomi Okuhara of Japan, who has beaten the world champion and top seed Carolina Marin of Spain.

Wang, 26, is a former world No. 1 and a bronze medalist in the 2010 World Championships held in Paris, France. She won the women's single title at the 2010 Guangzhou Asian Games.

TagsLin Dan, xue song, bwf, BWF World rankings, All England Championships, Wang Shixian