I think that is the first time one of our girls has reached a WTA SF this year, though Heather did win three rounds at Wimbledon and Harriet won three rounds in a WTA1000.
Linette is the only seed left in, so if Katie manages to win she would stand an excellent chance of a WTA title, however she will need to step her game up even further to win against Linette.
Lots of tape on shoulder, forearm, etc - and obviously mega issues with health/the conditions/Lord knows what - but she's smiling at the end, at practically 3 am in the morning, having got just rewards for an amazing effort