MELBOURNE, Jan 27 - Elina Svitolina credited her first-ever Australian Open semi-final run to the mental health break she took at the end of last season - a move she believes rejuvenated her.

The 31-year-old Ukrainian swept aside French Open champion Coco Gauff 6-1 6-2 in the quarter-finals on Tuesday, ending the American third seed's bid for a third Grand Slam title.