Postpublished at 20:11 British Summer Time 5 July 2019
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
Hercog's forehand goes into the net. MATCH POINT.
Coco Gauff, 15, beats Polona Hercog to reach Wimbledon fourth round
Qualifier loses first set, saves match points in second, wins 3-6 7-6 (9-7) 7-5
American to face former world number one Simona Halep in last 16
Andy Murray & Serena Williams mixed doubles match postponed
Djokovic through in four sets but fourth seed Anderson goes out
Pliskova wins but Wozniacki loses
Jamie Murray wins mixed doubles but loses men's match
Becky Grey, Emma Sanders and Harry Poole
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
Hercog's forehand goes into the net. MATCH POINT.
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
Hercog sends Gauff into one corner, then the other and it throws the American off. Her backhand goes long. 40-30.
But then Hercog misses her forehand and it's also long. Deuce!
#bbctennis or text 81111 (UK only)
Lady T: I'm not sleeping, eating, drinking, talking, moving (except keypad tapping), until this match is over. Please let it be over with a Coco WIN.
Michelle Gregory: This tennis is unreal. Gauff is unreal.
Derek Paterson: This is some match...c’mon Coco!
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
The Slovenian makes up for it with a winning serve out wide. 15-15.
Gauff groans in frustration as her backhand goes into the net. 30-15.
The teenager shows great composure as she sends down a smash. Hercog gets it back but Gauff smashes again and makes no mistake this time. 30-30.
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
Nerves? Hercog opens with a double fault.
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
Tracy Austin
Two-time Grand Slam champion on BBC TV
You wonder how many more matches like this Coco Gauff's parents are going to see.
This is just the beginning.
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
David Law
BBC Radio 5 Live tennis commentator
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*Hercog 6-3 6-7 (7-9) 5-6 Gauff
*Hercog 6-3 6-7 (7-9) 5-6 Gauff
A backhand wide, a forehand long and Gauff is a game away from victory (again).
The teenager has had a few easy holds in this set.
Hercog 6-3 6-7 (7-9) 5-5 Gauff*
Gauff's mum does not look at all ok. It cannot be easy to watch your daughter on Centre Court at Wimbledon.
But she's doing alright as Hercog hits the ball into the net twice to make it 30-0.
Hercog 6-3 6-7 (7-9) 5-5 Gauff*
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Kyrgios & Krawcyzk 7-6 (7-4) 6-7 (4-7) 5-7 Brady & Daniell
Nick Kyrgios has played his last match at Wimbledon this year. He and American partner Desirae Krawczyk were broken late in the deciding set by compatriots Jennifer Brady and Marcus Daniell.
Clearly, these tricks weren't enough!
Hercog 6-3 6-7 (7-9) 5-5 Gauff*
Hercog finishes it off with an ace out wide. Lovely.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
Gauff's dad is on his feet as she drives a backhand winner down the line. Back to deuce.
A nervy second serve gives the American a chance, but she hits a backhand into the net.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
Gauff's mum takes a deep breath. We all need one of those.
Gauff too, as she hits a backhand long to give Hercog game point.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
A loud shout of "come on Coco" interrupts Hercog as she prepares for her serve. But she doesn't seem put off and hits another winning volley. 40-30.
Play slows right down in another long rally and this time Hercog misses the volley, sending it into the net. Deuce.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
Martina Navratilova
Nine-time Wimbledon singles champion on BBC TV
Everybody has stayed for this match. It's fantastic for women's tennis.
I have a feeling Coco Gauff will transcend the game.
Coco Gauff wants it, she lives it already. She was born to do this.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
Martina Navratilova
Nine-time Wimbledon singles champion on BBC TV
You can feel the intensity from Gauff.
She can smell the end of this match.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
Hercog composes herself and serves to set up a forehand winner. 15-15.
Gauff looks ready to hit a passing shot but the Slovenian gets there and drops the ball down on the other side of the net. 30-15.
The tension builds and Hercog whacks a forehand long. 30-30.
*Hercog 6-3 6-7 (7-9) 4-5 Gauff
Gauff sprints back to the baseline. She is ready to seal her place in the fourth round.
The American gets off to a perfect start with a winning backhand return.