Ashleigh Barty lost in the Australian Open semi-finals in 2020.The venue is Melbourne Park.The coverage includes daily radio commentaries on Radio 5 Live Sports Extra, live text commentaries on the website and app, and TV highlights from the middle Saturday.Ashleigh Barty is the favourite to win the Australian Open and she showed why by demolishing Jessica Pegula.Barty won the last nine games to beat American Pegula.Barty has yet to drop a set at the tournament, which would be the first Australian singles title since 1978.Keys defeated the French Open champion.Barty will retain the world number one ranking after the Australian Open.Barty has looked composed throughout the tournament and has dropped just 17 games on her way to the semi-finals.Barty said that she is a more complete tennis player because she has grown as a person.It's a credit to my team. They have spent a lot of time making me the best version of myself.I'm enjoying playing here. It's been a lot of fun so far, and hopefully there's more left.In the first game of the match, Barty broke the American's serve to take a 2-0 lead.The Australian made 12 unforced errors in the first four games, but she was able to make up for it.Barty saved the only break point she faced in the first set and then went a double break up as Pegula sliced a backhand into the net tape.Barty won nine games in a row to finish the match in 64 minutes. As she left court, she had warm words for her.Barty said that she loves to test herself against Jess.She has a few more to come and she deserves to be in the later end of Slams.Keys powers into the last four.Madison Keys has won 11 matches this year, but only 11 through the entire season.Keys has won 11 matches this season, the exact number of victories she managed across the entire season.The former US Open finalist hit 27 winners.I think I'm going to cry. "It means a lot," he said on the court.I'm really proud of myself and thankful to my team and my friends and family for helping me through what was a really tough year.The players used ice towels to cool down.After going down in the opening set, the off-colour Krejcikova called for the trainer and the doctor.The Czech had her blood pressure and temperature taken and was given tablets before Keys served out the set.The slow foot movement that led to her being broken in the opening game of the second set was caused by her being broken to love in the next game.Keys had a bad service game and double-faulted to put her opponent on the board.Keys kept her composure better in the face of two crunching service winners that put her into a 5-2 lead.The American let out a shriek of joy after a long return from her opponent put her into the Australian Open semi-finals.