That's all we wrote for the day, folks! See you tomorrow on the Day 9 live blog :) Sweet dreams!
Murray closes the third set with an ace and goes up two sets to one with a 6-3 effort
Both players have gone off court to change clothes
Should Murray lose this set, it'll be the second-straight five-set semifinal for him in Australia. Last year he lost to Djokovic 7-5 in the fifth
Murray down but his ankle appears to be OK. His language? Well, not so much.
Tremendous hitting from these two to start the fourth set. Murray still looks to be the fresher of the two
Three break points for Federer at 1-2 Murray serving in the fourth...
Federer breaks for 3-1 in the fourth set. It's his first break of the match!
Murray fights back and breaks for 3-4. We're back on serve in the fourth set!
Here's how you Popcorners thought things would shake out... Before the match: Federer 62% Murray 38% After the first set: Federer 52% Murray 48% After the third set: Federer 57% Murray 43%
Federer really goes for it on that break point, ripping two forehands, but the second one is out. Deuce at 3-4 Murray serving in the fourth
Some controversy there as a lineswoman corrected a call she made, but Murray had already missed the ball prior to the call, meaning the point went to Federer. Ad in for Murray on his serve
Murray holds after a dramatic game and we're dead even at 4-all in this fourth set, the Brit leading two sets to one. He's two games from the final - a single break of serve
After trailing love-30, Federer gains a game point put blows a forehand approach long. Deuce
Federer holds and it's 5-4 in the fourth
Murray breaks! He'll serve for the match next at 6-5 in the fourth set
Federer owns a 3-0 record against Murray in Slam matches, and also in five-setters (they never played a Masters final when they went five sets). So, Murray would win his first-ever best-of-five against Rog should he serve it out here