Raducanu was beaten Lulu Sun, who reached her first grand slam quarter-finals after a 6-3 5-7 6-2 win
The former US Open champion was beaten 6-2 5-7 6-2 on Centre Court.
Raducanu forced the deciding set but took a medical timeout after slipping at the start of the third, as the qualifier won 6-2 5-7 6-2 to reach the quarter-finals