Steven Moffat, 21, from Prestonpans near Edinburgh, pleaded guilty to breaching the peace, resisting arrest and drinking in public during a second-round Scottish Cup fixture on Saturday, police said.
He appeared from custody at Haddington Sheriff Court yesterday.
Two other men, aged 17 and 21, have been charged in relation to incidents during the match between junior side Preston Athletic and Scottish League Two side Queens Park.
The game, at Pennypit Park, Prestonpans, was held up when around 10 people invaded the pitch at half-time.
Police and stewards cleared the pitch and removed around 20 supporters who, officers said, set off fireworks and flares during the game.
The referee restarted the match once the pitch was cleared and Queens Park won 2-1. The game was a replay following a 2-2 draw between the sides at Hampden Park the previous weekend. Inspector Andrew Harborow said: "It is disappointing that a small group of around 20 people, who claim to be football supporters, disrupted what was otherwise a good-natured family event."