Lois Boisson was ranked 361 in the world when she entered the French Open. She is guaranteed to be at least 68 by the end.

Her remarkable jump up the rankings is due to her performance during the tournament, which has seen her become the first woman to reach the semi-finals at a debut major tournament since 1989.

She is also the youngest French semi-finalist at a Grand Slam event since 1999, when Amelie Mauresmo neared the final stage of Wimbledon.

It has been no easy feat. Boisson has seen off the likes of third seed Jessica Pegula and, most recently, number six in the world, Mirra Andreeva.

Image: Boisson fell to the floor after reaching the semi-finals. Pic: Reuters

The quarter-final match on Wednesday was a tense showdown between Boisson and Russia's Andreeva, with the home crow

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