Check who is your opponent in the Brackets first stage, second stage: . Then, if your opponent has not created a topic yet, you can create a topic in the scheduling forums named for example "[RM/DM Medley R1] Player1 vs Player2" and begin scheduling. Some scheduling tips are explained [You must login to view link].
Once you and your opponent confirmed a time to play, the maximum waiting time is 30 minutes. More than that, the player that came and is waiting must take a screenshot showing [You must login to view link] (so the current time is clearly visible) and Tournament lobby Game Room, and post the screenshot in Admin Win Requests topic, with a link to the post in the Scheduling forums where the game time was arranged and confirmed.
Once you and your opponent confirmed a time to play, the maximum waiting time is 30 minutes. More than that, the player that came and is waiting must take a screenshot showing [You must login to view link] (so the current time is clearly visible) and Tournament lobby Game Room, and post the screenshot in Admin Win Requests topic, with a link to the post in the Scheduling forums where the game time was arranged and confirmed.