ONE Fight Night 13 kicks off tonight, August 4, broadcast live from the Lumpinee Boxing Stadium in Bangkok, Thailand.

The fight card is made up of 10 matches (across the combat sports spectrum) leading up to the main event, where defending ONE Featherweight Kickboxing World Champion Chingiz Allazov will defend his title against rival Marat Grigorian, who came out victorious the last time the two met in a match ten years ago.

Fans of all kinds of combat sports will not want to miss this event, so read on for everything you need to know about how to tune in.

ONE Fight Night 13 is streaming exclusively on Prime Video, which means you’ll need to be a Prime Video subscriber to check out all the action.

You can watch ONE Fight Night 13 on any device that supports the Prime Video app, including smartphones, tablets, smart TVs, streaming devices, and more.

Not a Prime Video subscriber yet? Just head over to Amazon, create a Prime account, and provide your payment details. It costs $15/month or $139/year and comes with free two-day shipping, Prime Member exclusive deals, and more in addition to Prime Video.

If you just want the streaming access, you can sign up for Prime Video’s standalone subscription for $9/month. Either plan you choose comes with a 30-day free trial.

ONE Fight Night 13 kicks off at 8 p.m. ET on Prime Video.

ONE Fight Night 13 will have ten matches, including a main event and a co-main event.