Coco Gauff is a heavy favorite to win her French Open semifinal match today and play for her second career Grand Slam title. But the Palm Beach County native will have to overcome her opponent and the home crowd cheering for the biggest underdog at Roland Garros.

Coco Gauff overcame 10 double-faults and the first set she’s dropped in the tournament to beat Madison Keys 6-7 (6), 6-4, 6-1 at the French Open on Wednesday, reaching the semifinals for the third time.

Gauff on Thursday will face 361st-ranked French wild-card entry Loïs Boisson, who is on one of the most stunning runs in tennis history. Boisson beat No. 6 Mirra Andreeva, 7-6 (8-6), 6-3,