The Valorous Marksman 2021 on netflix

It is a story of an underdog that hopes to win an esports tournament and gain his son’s trust. Main character is a middle-aged game streamer and not a successful one: his audience is constantly making fun of him. He’s behind his rent, ex-wife is taking a full custody over his son. The only hope is an FPS tournament with a prize pool of 5,000,000 RMB that will change his life for the better.