Novak Djokovic overcomes China's Wu Yibing 6-4 5-7 6-4 6-4 in gruelling Centre Court battle to reach Wimbledon second round
British men's number one Cameron Norrie loses in five sets to qualifier Michael Zheng - one of 10 home players to lose on opening day
Jack Draper pulled out of championships because of arm injury to join Emma Raducanu on sidelines
Men's champion Jannik Sinner overcomes Miomir Kecmanovic in five-set thriller
Women's top seed Aryna Sabalenka beats Teodora Kostovic 6-2 6-3
Zheng 6-7 (7-9) 6-2 6-7 (2-7) 5-2 Norrie*
Cameron Norrie saves the first two set points, the second with some brutal groundstrokes which eventually bring an error from Michael Zheng.
A forehand error from the American takes the game to deuce.
Image source, PA MediaSinner 4-6 6-3 5-5 Kecmanovic*
Miomir Kecmanovic cuts a frustrated figure for the first time in this match at 30-30 as the ball comes up awkwardly at the baseline and his return goes long as he can't readjust.
Kecmanovic seems to have moved on quickly. He sends over a great drop shot but Jannik Sinner's long legs allow him to cover a vast amount of ground in swift fashion before flicking away a winner for deuce.
Zheng 6-7 (7-9) 6-2 6-7 (2-7) 5-2 Norrie*
Michael Zheng is all over Cameron Norrie, pegging him back on the baseline as he races to 0-30.
An untimely double fault brings up three set points for Zheng.
Ostapenko 6-4 3-6 6-4 Dart
Emily Salley
BBC Sport at Wimbledon
Harriet Dart gets a big standing ovation as she heads off court. That was some performance from the British wild card, but she understandably looks pretty disappointed right now.
Zheng 6-7 (7-9) 6-2 6-7 (2-7) 5-2 Norrie*
Michael Zheng backs up the break with a comfortable hold to 15, sealing the game with an ace.
Cameron Norrie will serve to stay in the fourth set.
Image source, Getty Images
Ostapenko 6-4 3-6 6-4 Dart
Jelena Ostapenko has upped her game here and the unforced errors are nowhere to be seen.
Or are they? A shot down the line misses well wide and Harriet Dart is back at 30-30.
Oh no, a backhand into the net from Dart and it is match-point to Ostapenko...
Too good.
Dart - who is ranked 152 in the world right now - gave it her all, but former quarter-finalist Ostapenko shows her quality to hit her 46th winner of the match and seal it and send the British wildcard home in the first round.
Image source, Getty ImagesSinner 4-6 6-3 5-5 Kecmanovic*
Jannik Sinner comes out on the front foot with a serve and volley to settle into the game. The Italian follows with an ace for 30-0.
A long forehand from Sinner allows Miomir Kecmanovic back in at 30-15 but Sinner gets the hold pretty comfortably with another ace sending the white paint flying up into the air.
Ostapenko 6-3 3-6 5-4 Dart*
Annabel Croft
Former British number one on BBC Radio 5 Live
I feel as if Harriet Dart needs a bigger serve.
Right now it is a soft serve, 69 mph just then, and it's getting hammered when Ostapenko is in position for it. The second serve is really not holding up.
*Zheng 6-7 (7-9) 6-2 6-7 (2-7) 4-2 Norrie
What was I saying about no break points in the fourth set? Well, Michael Zheng has just broken Cameron Norrie to love, forcing a backhand error. Bit of a grim game for the Brit.
*Sinner 4-6 6-3 4-5 Kecmanovic
Andrew Castle
BBC Sport tennis commentator on BBC One
Just the game Miomir Kecmanovic would've wanted - four straight points to go 5-4 up.
The Serbian is looking for a quick start here on Centre Court. He is definitely trying to cause the upset on day one.
Zheng 6-7 (7-9) 6-2 6-7 (2-7) 3-2 Norrie*
Cameron Norrie won't want to see that one again. Michael Zheng chased down a drop shot but was stranded in the middle of the net.
Norrie has an eternity to line up his down-the-line backhand... and plants it in the net. 0-30.
With a double-fault, Norrie is facing three break points.
*Sinner 4-6 6-3 4-5 Kecmanovic
Trailing 15-0, Jannik Sinner goes big on a forehand return from the baseline but his timing is off and it skews wide.
Miomir Kecmanovic continues to press on at 40-0 and then Sinner puts into the net to hand over the hold to love.
Sinner will serve to stay in the set.
Image source, Getty ImagesZheng 6-7 (7-9) 6-2 6-7 (2-7) 3-2 Norrie*
Michael Zheng holds to 30.
We're yet to see a break point in the fourth set.
Sinner 4-6 6-3 4-4 Kecmanovic*
Just as the game starts to turn away from Jannik Sinner, he comes up with an ace for advantage.
And the world number one gets the hold when he next serve is returned into the net by Miomir Kecmanovic.
Ostapenko 6-3 3-6 5-4 Dart*
Annabel Croft
Former British number one on BBC Radio 5 Live
The crowd are having an impact because one of Harriet Dart's greatest strengths is her movement, and every time she's able to dig out and scrap out a couple of points and it's getting the crowd fired up - much to the dismay of Ostapenko who's looking quite irritated by the whole scene out here.
Image source, Getty ImagesOstapenko 6-4 3-6 5-4 Dart*
"Come on" says Harriet Dart after Jelena Ostapenko hits a forehand wide to nudge in front.
Ostapenko just sees a serve hit the edge of the line to get it back to 30-30.
Dart earns herself a break point, but Ostapenko serves big again to save it.
They are sharing some great rallies right now, and Dart somehow manages to pick a ball up right off her shoe laces to hit the winner past Ostapenko and get it back to deuce.
The Brit keeps forcing Ostapenko to hit that one extra shot, but the 2017 French Open champion does enough to see game out and is now one game away from the second round.
Image source, PA Media*Sinner 4-6 6-3 3-4 Kecmanovic
Jannik Sinner rattled through his last service game to love and he's keeping that momentum going.
An inch-perfect forehand down the line nestles in the corner as Miomir Kecmanovic just watches on. Sinner is closing in on the hold at 40-15 but an unforced error opens the door for Kecmanovic.
Ah. Sinner crashes a forehand into the net for deuce.
*Zheng 6-7 (7-9) 6-2 6-7 (2-7) 2-2 Norrie
Cameron Norrie comes through deuce at the first attempt, dragging Michael Zheng off court with a wide serve and following it up with a down-the-line forehand into an open court to seal the hold.
Zheng 6-7 (7-9) 6-2 6-7 (2-7) 2-1 Norrie*
Cameron Norrie offers the crowd a triumphant shake of his racquet after approaching the net for a backhand volley winner, getting down nice and low to cushion it across the net for 15-0.
Michael Zheng levels the game at 30-all after reading Norrie's smash and dispatching a down-the-line forehand winner.
Trailing 40-30, a ferocious forehand return from the American brings up deuce.
*Sinner 4-6 6-3 3-4 Kecmanovic
Andrew Castle
BBC Sport tennis commentator on BBC One
It is a slip again from Jannik Sinner! He put his right foot down to hit the backhand and it just went again.
It looked like he planted his right foot and it just moved a bit as he swung through. He has been moving slightly more gingerly over the past few minutes. It gets to a point where you don't want to put full weight on the anchor leg.
Image source, Getty Images
