Nishikori joyous after win over Tsonga

Kei Nishikori stunned sixth seed Jo-Wilfried Tsonga in Melbourne today to become the first Japanese player to reach the last eight of the Australian Open in 80 years.

Nishikori, 22, outlasted Tsonga over three and a half hours to win 2-6 6-2 6-1 3-6 6-3 and advance to his maiden grand slam quarter-final.