New York (CNN) Fortnite is growing its physical presence with a giant, three-day sporting event that kicked off Friday and included a competition that pitted pros against amateurs.

The Fortnite World Cup brought together 10,000 attendees in the Arthur Ashe tennis stadium, and over 180,000 more viewed online. Bigger events are planned for Saturday and Sunday and may draw even more attention.

The game involves 100 players dropping onto a virtual island and battling it out until one remains standing. Epic Games, the developer of Fortnite, put various spins on the game for fun events on Friday, including a celebrity competition better known as Pro-Am, or professionals versus amateurs.

So who won the $1 million prize? Airwaks and RL Grime took the Pro-Am prize by outmaneuvering the competition.

Airwaks, 24, from Switzerland, is a former League of Legends professional player who has now set his sights on the Fortnite World Cup. It's his second time winning a pro versus amateur Fortnite event, after taking home the award in June.

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