India's challenge at the Japan Open-ended as Sai Praneeth bowed down to top seed and local favourite Kento Momota in the semifinals in Tokyo today.
Praneeth lost to the Japanese 18-21, 12-21.
Momota had also beaten Sai at the Singapore Open earlier this year.
India's challenge in the women's singles ended yesterday when P V Sindhu lost to Akane Yamaguchi in the quarterfinals.