Fortnite airs Rocket League tournament in-game, with cosmetic rewards for viewers - Gamepur

While there, you can watch Rocket League World Championship matches.

In either case, viewers will be able to watch and vote on which Rocket League team will win their tournament match.

When the Rocket League match ends, the Fortnite match begins, and anyone who picked the winning team will start with upgraded weapons.

As detailed on the Fortnite blog, you can get the Regal Rocket glider, Nice Shot emoticon, Rocket League Trophy back bling, and Golden Goal spray (clockwise from top left, above) by completing challenges on the Rocket League island.