Jo - Wilfried Tsonga beats Roger Federer in straight sets to reach French Open semifinals . Meanwhile , 31-year-old Federer -- who was bidding for an 18th grand slam title -- struggled to find any rhythm on a surface where he has never convinced . He will become the first local male champion since Yannick Noah in 1983 . Sixth seed will meet David Wagner in the final .
Jo - Wilfried Tsonga beats Roger Federer in straight sets to reach French Open semifinals . He will become the first local male champion since Yannick Noah in 1983 . Sixth seed will meet David Wagner in the final .