Defending champion Saina Nehwal has advanced to the finals of the Indonesian Open Super Series badminton tournament. In the semi-final in Jakarta today, she recorded a hard-fought victory over Chinese Taipei's Shao Chieh Cheng. The fourth-seeded Indian won 21-14 14-21 21-17 in a 45-minute battle. Cheng had upset top seed Shixian Wang and seventh seed Xin Liu earlier in the tournament. In the title-clash tomorrow, Saina will take on third seed Yihan Wang of China. Today's win over Cheng was a sweet revenge for Saina who had lost narrowly to the same player in the pre-quarterfinals of the Singapore Open in her last tournament.