The two Chinese players clashed in the semi-final stage of the BWF World Tour Super 300 event at the Indoor Stadium Huamark.

Lin, a two-time Olympic champion, appeared to have the upper hand in the contest as he clinched the opening game 21-11.

He was forced to play a decider as Lu hit back to win the second game by a convincing 21-6 score.

A close final game was ultimately won by Lin, who edged out his opponent 21-18 to secure a place in the final.

Lin is now set to face Singapore’s Loh Kean Yew, who game from a game down to beat France’s Brice Leverdez 14-21, 21-10, 21-14.

Indonesia’s Fitriani Fitriani achieved the same feat to reach the women’s final, coming from behind to win 12-21, 21-19, 21-16 against Hong Kong’s Deng Joy Xuan.

Fitriani’s reward is a meeting with Busanan Ongbamrungphan.

Ongbamrungphan emerged as the winner of an all-Thai semi-final against Pornpawee Chochuwong by a 21-10, 21-4 score.

In the women’s doubles competition, Thailand's Puttita Supajirakul and Sapsiree Taeattanachai combined impressively to beat Russia’s Ekaterina Bolotova and Alina Davletova 18-21, 21-12, 21-4.

The duo are now set to face China’s Li Wenmei and Zheng Yu after the fifth seeds won 21-18, 21-16 against Selena Piek and Cheryl Seinen of The Netherlands.

Chinese Taipei’s Lu Ching Yao and Yang Po Han won an entertaining men’s doubles semi-final against Malaysia’s Goh Sze Fei and Nur Izzuddin.

They lost the opening game but battled back to win 17-21, 21-13, 21-11.

Top seeds Goh V Shem and Tan Wee Kiong of Malaysia advanced to the final with a 21-12, 21-10 win over Japan’s Akira Koga and Taichi Saito.

Malaysia’s Chang Peng Soon and Goh Liu Ying progressed to the mixed doubles final following a 21-16, 21-15 success against Hong Kong's Tang Chun Man and Ng Tsz Yau.

Dechapol Puavaranukroh and Sapsiree Taeattanachai won an all Thai semi-final 21-18, 21-16 over Nipitphon Phuangphuapet and Savitree Amitrapai.