Lee (Yi) Sedol won historic "jubango" against Gu Li (6-2)

A jubango is a 10 game match between two players. The first player to win six games wins the match.

Two of the world's top Go players, Lee Sedol and Gu Li, played a jubango to decide which of them was the stronger player (and probably thus the present world best player - NDLR).

The most anticipated Go event for decades concluded on September 28, 2014, when Lee Sedol defeated Gu Li in their 8th game of the historic 10 game match.
Game 8 took place in Gu Li’s hometown and finished after 350 thrilling moves, with Lee Sedol winning by 2.5 points…

More info: https://gogameguru.com/tag/mlily-gu-vs-lee-jubango/