MELBOURNE, Australia—Ash Barty was the crowd favorite at Melbourne Park long before she ended a 42-year drought by reaching the Australian Open final. Danielle Collins said it’ll be “spectacular” to take on the women’s No. 1-ranked player in the final of her home Grand Slam event on Saturday. The 28-year-old American got a little taste of what to expect in her first Grand Slam final as she left the court on Thursday following her 6–4, 6–1 semifinal win over seventh-seeded Iga Swiatek. Barty beat Madison Keys 6–1, 6–3 in 62 minutes in the first of the semifinals, and Collins wrapped up the night by beating 2020 French Open champion Swiatek in 78 minutes. Predictably, there were boos after Collins finished her on-court TV interview. Not too loud or long, but an indication of things to come nonetheless. Barty won her first major title on clay at Roland Garros in 2019 …