Daniil Medvedev's frustration boils over during semi-final win against Stefanos Tsitsipas

The world No.2 secured passage to the Australian Open final on Friday morning, but not before unleashing a scathing rant at the umpire and opponent Stefanos Tsitsipas.

Daniil Medvedev will play in a second successive Grand Slam final on Sunday morning, following his Australian Open semi-final win on Friday.

The 25-year-old, who won the US Open last year, came up against Greece's Stefanos Tsitsipas and sealed victory in four sets.

Medvedev won a narrow tie-break in the opening set, before Tsitsipas answered in style during the second.

Late into the second set, the Russian launched an extraordinary rant directed towards the umpire, accusing his opponent of receiving coaching from his father Apostolos.

Tsitsipas went on to claim that set, but Medvedev rediscovered his compusure and clinched the following two, resulting in a 7-6 (5) 4-6 6-4 6-1 victory.

Not only will he now have the chance to seal a second Grand Slam, but he'll be keen to avenge his loss in last year's Australian Open final when Novak Djokovic took the title.

Following the match, Medvedev addressed his outburst, and admitted it was a mistake on his behalf.

"I don't think bad emotions help me too much. Many times I lose a match because of this, you lose concentration, you lose energy.

"As soon as I've done it, I was like: 'That was a big mistake,' but I'm happy that I managed to re-concentrate for the beginning of the third set.

"I pulled out some serves, and that brought me back into the match, ok, I lost some energy but I have to refocus. I tried my best, and I'm happy it worked."

Medvedev will meet 20-time Grand Slam winner Rafael Nadal in Sunday's final, but the up-and-coming star is relishing the challenge.

"I'm going to play against one of the greatest. I think Novak will be watching this one in two days also. Grand slam finals are special. I'm ready.

"I know that Rafa is a very strong player, I know I will need to show my best to try to win this match."

The final is scheduled to start on Sunday, January 30, 8:30am GMT.

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