For Cilic, it's a third major final as he goes in search of his second Grand Slam title on Sunday. The Croatian will move up to No.3 in the world (another career high) regardless of what happens - but if it's Federer, he'll be keen to banish the memories of his loss to the Swiss at Wimbledon last year.
Marin Cilic - Kyle Edmund
Australian Open men - 25 January 2018
Australian Open – Follow the Tennis match between Marin Cilic and Kyle Edmund live with Eurosport. The match starts at 16:30 on 25 January 2018. Our live coverage lets you follow all the key moments as they happen.
Head-to-head: see historical stats and visit our detailed profiles for Marin Cilic vs Kyle Edmund. Get all the latest on Tennis: fixtures, results and tables.
GAME, SET AND MATCH! - EDMUND 2-6 6-7 2-6 CILIC. Marin serves it out with the minimum of fuss which means it's the end of the road for Kyle Edmund. The 23-year-old's first ever Grand Slam semi final appearance ends in disappointment, with a straight sets loss to the world No.6 in two hours and 18 minutes. When the Briton reflects on his run to the last four in a few days, he'll no doubt regard it as a breakthrough fortnight. He'll start next week at a new career high of 26 in the world (27 if Hyeon Chung shocks Roger Federer in the other semi final).
BREAK! - EDMUND 2-6 6-7 2-5 CILIC. A loose backhand from Edmund flies long to gift Cilic another break opportunity. Kyle staves it off, but is put the through the wringer and eventually succumbs. Cilic will now serve for the match.
EDMUND 2-6 6-7 2-4 CILIC. If you blinked, you may have missed that. Cilic powers through another ruthless service game to stay well on course for the final.
EDMUND 2-6 6-7 2-3 CILIC. A big net cord finally goes Edmund's way and sees him get over the line after Cilic had pressed hard for a double break at deuce. Kyle is still alive, but the writing is surely on the wall.
EDMUND 2-6 6-7 1-3 CILIC. Marin backs up the break from deuce, despite some valiant play from Edmund to try and make it interesting.
BREAK! - EDMUND 2-6 6-7 1-2 CILIC. That's a real body blow for Edmund. He slices a timid backhand into the net as Cilic breaks on the first of two opportunities. The Brit looks shattered while Chila appears relatively fresh. The curtain could well be ready to fall on Kyle's remarkable Australian Open run.
EDMUND 2-6 6-7 1-1 CILIC. Too good. Cilic slams down an emphatic overhead to breeze commandingly level it up.
EDMUND 2-6 6-7 1-0 CILIC. Solid response from Edmund as he takes advantage of Marin leaking a few errors to get Set 3 off on the front foot. An ace seals the deal with a game to 15.
SET! - EDMUND 2-6 6-7 CILIC. Marin is firmly in the driving seat. The world No.6 earns a mini break for 4-3 and then comes good with a challenge on a shot to the baseline that was belatedly called out. He makes the most of it with a firm drive volley to tee up three set points. Edmund saves one, but a corking backhand down the line sees the Croatian prevail 7-4 in the breaker. It's a long way back for Kyle now. Cilic leads two sets to love.
TB LATEST: All square at 3-3 at the change of ends.
EDMUND 2-6 6-6 CILIC. Edmund lets a 40-15 lead slip but stays focused to plunder two big serves and force the breaker from deuce.
EDMUND 2-6 5-6 CILIC. Marin guarantees himself a tie break opportunity at the very least. He easily holds to 15 to pile the pressure on Edmund now. It's pretty simple; the Brit must hold or he'll be two sets down.
EDMUND 2-6 5-5 CILIC. Edmund delays after a double fault leaves him twitchy at 30-30. He moans at the chair umpire about the big screen in the line of vision of his ball toss. It's a strange moment to do it, but he keeps it together to edge through the next two points and level once more. We're in the real business-end of the set and there's no margin for error now at both ends of the court.
PHOTO: The moment Edmund got fired up in game five of Set 2.
EDMUND 2-6 4-5 CILIC. A real let off for the Croatian. The first serve goes AWOL as he struggles after opening with a double fault. Edmund has a good look at a second serve at 0-30 but blows it long. He cries out in anguish and his mood doesn't get much better when Marin's nervy backhand clips the net and forces an error. Cilic finally finds his serve and then lures an error out of the Brit to come through a poor service game.
EDMUND 2-6 4-4 CILIC. Ruthlessly efficient from Edmund as he stays toe-to-toe with Marin to cruise through another service game for the loss of just one point.
EDMUND 2-6 3-4 CILIC. Marin's first serve continues to earn him plenty of cheap points. When it's landed he has pretty much won every one of them. It does all the damage again in this game as he breezes to another love hold.
EDMUND 2-6 3-3 CILIC. This is much better from Edmund. He lands a superb wide ace to finish the love hold with a flourish. The anger has his given him real focus. Now he needs to keep hold of it.
EDMUND 2-6 2-3 CILIC. Marin wins the first point and Edmund goes ballistic. He refuses to play on as a call came when Kyle went to hit his return. It fires the world No.49 up as he unloads a massive forehand and a wonderful backhand winner to threaten after a huge delay. Cilic needs the first serve to fire and it does. The Croatian keeps his nose in front, but if Edmund continues to play like that we could yet have a match on our hands.
Edmund fuming right now!
EDMUND 2-6 2-2 CILIC. Could that kick-start this match for Edmund? It looks bleak for the Brit at break point down, but he conjures up a big serve when it matters before wriggling through from deuce.
EDMUND 2-6 1-2 CILIC. Edmund gets the chance to showcase the ferocity of his forehand. It gets him back in it from 40-15, but Cilic continues to play to the Brit's backhand and a weak slice wide of the line ensures the world No.6 maintains his scoreboard advantage.
EDMUND 2-6 1-1 CILIC. That's a good start. Edmund motors to his own love hold. The crowd respond with a roar. They want this match to get competitive like it was at the very start of Set 1.
EDMUND 2-6 0-1 CILIC. The wait has not fazed Cilic. He romps to a love hold. It's looking ominous for Edmund with the Croatian hitting top form. The 23-year-old Brit desperately needs to find all the fighting qualities he's shown to get him this far in the tournament, and he needs to do it now.
Edmund is back on court. Cilic eager to get Set 2 underway and maintain his momentum.
Medical time-out for Edmund. Chance to clear his head too.
SET! - EDMUND 2-6 CILIC. After a bright start from Edmund, you have to say Cilic has run away with the set. He breaks again to seal it in 35 minutes with a scorching crosscourt forehand winner after Kyle had given him the opportunity when he narrowly missed with a drive down the line.
EDMUND 2-5 CILIC. The Croatian is peppering shots to Edmund's backhand and it's beginning to tell. The British No.2 unleashes a super return winner off that wing as he battles back from 40-15 down. However, it's another error from that flank which sees Cilic take the next two points to consolidate.
BREAK! - EDMUND 2-4 CILIC. The 2014 US Open champion ups the ante with a crunching return and some strong pressure that forces Edmund to fire long. It tees up two break points. Edmund saves ne but then gets a slice of misfortune when his crosscourt backhand approach nicks off the net and lands wide.
EDMUND 2-3 CILIC. Bad news for Kyle supporters, Marin has found the massive weapon that is his serve. He marauds to a love hold in a game that barely lasts beyond a minute.
Very much so. Styling it like a certain Novak Djokovic for a moment there.
EDMUND 2-2 CILIC. Great defence from Edmund. He slides from side to side at his baseline to fend off the Cilic attack at 30-30 and gets lucky when the world No.6 flashes wide into the right-hand alley he is facing. A big serve gets the job done and we are level and ever so finely poised. It's been an intriguing watch up to this point.
STAT: Edmund is only the sixth Brit to play in a major semi final since tennis turned pro in 1968.
EDMUND 1-2 CILIC. A wistful look from Kyle after he winds up the forehand at 30-15, but fizzes a make-able winner long. Cilic follows it with a thumping wide serve and the chance to apply more pressure evaporates almost instantly.
EDMUND 1-1 CILIC. No time for Kyle to ponder a missed opportunity as Cilic presses early in his opening service game. The world No.49 finds his rhythm and earns some cheap points on his way to a hold to 30. He's on the board in what is looking like an extremely competitive showdown so far. Long may it continue!
EDMUND 0-1 CILIC. Almost the perfect start for the Brit. He comes out firing and helps himself to double break point. Cilic responds with two hefty serves before a face-off at deuce ends with the Croatian edging the battle of the blistering forehands - on this occasion....
Here we go; Cilic is at the baseline ready to get this semi final underway.
Cilic won the toss and has chosen to serve first. Time for the warm-up!
CILIC: "A big focus is to continue with my own game. I cannot influence him much across the net, but I'm going to try to take care of my things on my part of the court."
EDMUND: "The place I'm in now is really good so I think, what I've been doing, I'll just try and carry on with that."
HEAD-TO-HEAD: This is only the second meeting between the two players. Cilic won their only other encounter at the Shanghai Masters last year. 6-3 7-5.
Hello and welcome to LIVE updates of the biggest match of Kyle Edmund’s fledgling career. The British No.2 meets Marin Cilic for a place in the 2018 Australian Open final. The players are due on Rod Laver Arena shortly.