I have heard of the Ratih Open. But not the others What abt the Sinar Mutiara Cup? I like the concept of National Circuits to give the local club players more competition. Of course, not to forget, we have the following international events too: 1. Milo Junior Indonesia Open -- at least for the past few years. 2. JPGG Indonesia Challenge -- BWF-certified Challenger Event. A very competitive event for upcoming players and again, we will likely see some Korean, Malaysia, Singaporean, Vietnam, Hong Kong, Chinese-Taipei, Japanese and Korean players in Surabaya this year. 3. Djarum Indonesia Super Series -- needless to say. 4. Djarum Badminton Superliga -- when is it gonna be held this year?