In 2015, AlphaGO faced Fan Hui, Europe’s top Go player, in a five game series. AlphaGO beat Fan Hui in all five matches, marking the first time that an AI has beaten a professionally ranked Go player. Click through the game 1 match below.

After defeating Fan Hui in all 5 matches, AlphaGo went on to challenge Lee Sedol, who, at the time, was the world’s top Go player and considered the best player of the last decade.