If the top two badminton stars - Saina Nehwal and PV Sindhu cross the first round of Japan Open super series, it will be the second instance that these two strong players will face each other in their sports career. The first collision took place at the 2014 India Grand Prix Gold final which was won by the world's number one player Saina in straight games.

$275,000 Japan's Open Superseries initiated on Tuesday at Tokyo's Metropolitan Gymnasium, where Saina Nehwal will clash fellow countrywoman PV Sindhu in the second round - if both of them succeeded to beat their opening round opponents.

Double World Championships bronze medallist Sindhu, will open her Champaign against Japan's Minatsu Mitani, who is unseeded here. And second seed Saina, who recently extend to finals of World championships, will battle against Thai Busanan Ongbumrungpan.

The situation is Ditto to men's single players Kidambi Srikanth and Parupalli Kashyap.

Ruling Commonwealth games champion Parupalli Kashyap will take over Takuma Ueda, the tough competition will be against Danish seventh seed Viktor Axelsen faced by Ajay Jayram, where H.S. Prannoy will seeded against Wong Wing Ki Vincent of Hong Kong.

The tough task arises for Jwala Gutta and Ashwini Ponappa as they have drawn Chinese Women's doubles eight seeds Zhao Yunlei and Zhong Qianxin. N. Sikki Reddy and Pradnya Gadre will face top seeds in the opener against Ayaka Takahashi and Matsutomo.