Six gamers are hoping to win the 2017 Overwatch World Cup for Team UK this weekend. They go into the video game tournament in California with a confident swagger, having won all 15 of their group stage matches.
Overwatch is one of the most popular video games in the world. Released in 2016, the game has more than 35 million players. The World Cup is serious business. Team UK has spent several hours a day practising.