March 25 (Reuters) - World number ⁠four Coco Gauff said she struggles with impostor ⁠syndrome after defeating Switzerland's Belinda Bencic to reach ‌the Miami Open semi-finals for the first time.

The 22-year-old beat Bencic 6-3 1-6 6-3 on Tuesday, advancing to the last four after failing ​to progress beyond the fourth round ⁠in her previous six ⁠attempts.