- 28-year-old will play Ash Barty for Melbourne title on Saturday
- Floridian has overcome debilitating pain from endometriosis
Danielle Collins has reflected on the long journey she has taken to reach her first grand slam final at the age of 28.
The American beat Iga Swiatek 6-4, 6-1 at the Australian Open on Thursday to set up a final with home favourite and world No 1 Ash Barty.
