 A few months after her 13th birthday, she joined WISPA in early 2009, and in April she announced her arrival by losing to world top liner Engy Kheirallah in a tight 3/1 at the Heliopolis Open.After having reached the final of the ATCO Miro event in June, also in Cairo, Sherbini was stopped by Kheirallah in her bid for her first WISPA Tour title.On August 2, 2009, at 13, Sherbini became the youngest world champion in the history of the sport when she won the women's title at the World Junior squash Championships (U-19).