**Tense Game: Iga Swiatek (pictured) beat Coco Gauff to reach the French Open final.

** (Pic: Aurelien Morissard/AP)Iga Swiatek moved one step closer to her fourth French Open title as Coco Gauff was reduced to tears during her semi-final exit.

An emotional Gauff had a heated argument with umpire Aurelie Tourte, telling the official she 'should be ashamed' for not overturning a call.

The 20-year-old American then wiped tears from her eyes as boos echoed around Court Philippe Chatrier.

World number one Swiatek, an unstoppable force at Roland Garros, registered her 20th consecutive win here, with a score of 6-2, 6-4.

Swiatek is now just one victory away from becoming the first woman to claim three consecutive French Open titles since Justine Henin in 2007.

It was another disheartening afternoon for Gauff, who is on the losing side of one of sport’s most one-sided rivalries.

Swiatek has now won 11 of their 12 meetings, without dropping a single set in any of those victories.

The Pole was already a set ahead, thanks in no small part to 18 unforced errors from Gauff’s racket, when the American returned a Swiatek serve as it was called out.

Tourte overruled the call and, when the return floated out, awarded the point to Swiatek, to Gauff’s utter disbelief.

'He called it and then I hit it.

I’m a thousand percent sure,' Gauff raged.

'If he called it before I hit it, I stop my reaction.

I didn’t even finish my follow-through.

' 'You’re wrong,' insisted Gauff.

'It’s the second time that happened.

You should be ashamed.

It’s a grand slam semi-final, know the rules of the game.

''I think tennis is the only sport where not only we don’t have the VR system, but a lot of times the decisions are made by one person,' she said.

'At this point it’s almost ridiculous that we don’t have it.

Not also just speaking because that happened to me, but I just think every sport has it.

Also, there are so many decisions that are made, and it sucks as a player to go back or online and you see that you were completely right, and it’s like, what does that give you in that moment?'Gauff, fueled by a sense of injustice, went on to break Swiatek’s serve for the first time in the match to lead 3-1 in the second set.

But Swiatek hit back and although Gauff saved three match points, a forehand wide on the fourth sent the favorite through to another Paris final.

'Even though I got broken at the beginning of the second set, I knew that I can come back quickly, and I got my level of intensity a little bit higher to do that.

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