Mirra Andreeva has not only left a mark on the women's singles draw at the Australian Open this year after biting her own arm at one stage during of her previous match.
The Russian teenage sensation rose to prominence last year after making the Australian Open junior girls final.
She's since risen to climb inside the top 50 of the WTA rankings after impressive displays at the French Open and Wimbledon.
And the 16-year-old has continued her meteoric rise this week after picking up the biggest win of her young career in defeating world No 6 Ons Jabeur in the second round of the Australian Open.
Mirra Andreeva had a huge bite mark on her arm
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That victory was at risk of being in vein in the very next match after going down 5-1 in the final set against Diane Parry.
Andreeva's anger during the deciding set got the better off her at one stage after initially going a break down.
The Russian starlet was seen pulling her arm to her face in anger and a close-up showed a visible bite mark left on her body.
The self-inflicted mark didn't appear to hamper Andreeva, who recomposed herself when it mattered most to pull off a remarkable comeback.
It's not the first time Andreeva has struggled to contain her emotions on the court when her dream Wimbledon run came to an end in controversial fashion.
During her match against Madison Keys, Andreeva received a warning from umpire Louise Engzell after she chucked her racket towards her chair in anger.
Controversy then hit later in the second set with Keys leading 5-2 when Andreeva was deemed to have chucked her racket again when it appeared she had lost her footing and slipped.
The Russian teen was docked a penalty point, giving Keys a match point which she duly took.
Mirra Andreeva has let her emotions get the better of her at times
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Andreeva refused to shake the umpire's hand after the match was over, who was also booed by the crowd.
But her comeback victory over Parry showed Andreeva's mental strength, something that British tennis superstar Andy Murray felt the need to point out after a remark he heard from a commentator during the match.
Murray's post on social media left Andreeva gobsmacked, who has spoken of her adoration for the former world No 1 on several occasions previously.
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Mirra Andreeva had a spat with an umpire at Wimbledon last year
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She said: "Honestly, I didn't really think that he would watch a match, then after he would tweet, he would comment something.
"Honestly, I will try to print it out somehow. I don't know, I will put it in a frame.
"I will bring it everywhere with me. I will maybe put it on the wall so I can see it every day."
