Britain's Johanna Konta, Dan Evans, Jay Clarke, Cameron Norrie & Harriet Dart all win
But James Ward, Paul Jubb & Katie Swan go out on day two
Roger Federer wins in four sets; Rafael Nadal in three
Serena Williams beats Giulia Gatto-Monticone 6-2 7-5
Kerber and top seed Barty advance but Sharapova retires injured
Kyrgios entertains in five sets but Tomic loses in under an hour
Bertens v Minella
Fourth seeded Dutchwoman Kiki Bertens takes on Mandy Minella - a name to save for dinner party jollies as a famous (ish) Luxembourger.
Famous Belgians got to easy around the time of Vincent Kompany moving to Manchester City.
Nadal 6-3 6-1 6-3 Sugita
Next up, his 'best mate' Nick Kyrgios on Thursday.
Do.
Not.
Miss.
It.
Nadal comfortably through to the next round
*Sousa 6-0 0-0 Jubb
Only 11 points won by Paul Jubb so far in his Wimbledon debut.
Image source, .*Sousa 6-0 0-0 Jubb
Katie Falkingham
BBC Sport at Wimbledon
Not the ideal start for Paul Jubb. A harsh introduction to Grand Slam life.
A little earlier, I thought I spotted his grandmother in the crowd and it’s been confirmed. As Sousa sealed the first set, he shot her a quick glance. I imagine it’s very reassuring for him to have her by his side.
*Sousa 6-0 0-0 Jubb
Can Paul Jubb get a game on the board? Nope, not in set one he can't. Three breaks of serve and his first ever set at Wimbledon ends in disappointment. Sousa takes it 6-0.
Nadal 6-3 6-1 5-3 Sugita
After a bout of "will he/won't he" at deuce Sugita goes long and hands Nadal another break, which is most probably his last of the match.
Sousa 5-0 Jubb*
Some Paul Jubb facts...
Image source, Getty ImagesWiliams 6-2 7-5 Gatto-Monticone
Image source, Getty ImagesSerena Williams on BBC Two after reaching round two at Wimbledon: "She never gave up - it's good for me to play matches like this as I haven't played too many matches this year.
"It's the best I've felt since February. It felt amazing to be on grass after some tough times on clay. I'm so thankful and I'm happy to be back doing what I love."
Williams 6-2 7-5 Gatto-Monticone
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Shapovalov 6-7 (0-7) 4-6 3-6 Berankis
Canada's 29th seed Denis Shapovalov becomes the 13th seeded player to fall in the first round at Wimbledon after suffering defeat at the hands of Lithuania's Ricardas Berankis.
The promising 20-year-old never got going against the 29-year-old who reaches the second round for the first time since 2015.
Sousa 5-0 Jubb*
It's all a learning experience for 19-year-old Paul Jubb. The first set is already looking done though and he is 5-0 down. Can he hold his serve and at least avoid a bagel on his Wimbledon debut?
Anna Thompson
BBC Sport at Wimbledon
Wimbledon is still thronging with Henman Hill/Murray Mound packed with thousands of spectators enjoying watching two-time champion Rafael Nadal take on Japan's Yuichi Sugita.
They can also check the other scores on the mega big screen and there are a few mumblings when they see that former champion Maria Sharapova has been forced to retire at 5-0 down in the final set.
Image source, BBC SportA packed Henman Hill/Murray Mound enjoys the early evening action
*Sousa 4-0 Jubb
A double break for Joao Sousa. Twelve minutes gone, four games to Sousa, one big problem for Jubb.
#bbctennis or test 81111 (UK only)
Caroline: They seeds are having a hard time getting through. Another great match between Serena and Gatto-Monticone.
Philip West: That was brutal in the first set, a grind in the second, but Serena is on the move. And what a point to win the match on!
John McEnroe
Three-time Wimbledon singles champion on BBC TV
This game won't go down in the record books in terms of quality but you could have cut the tension with a knife.
Sam Smith
Former British number one on BBC TV at Wimbledon
I'm sure Serena Williams will be one of the first down on the practice courts tomorrow morning. She has a lot to do to get to where she needs to be.
John McEnroe
Three-time Wimbledon singles champion on BBC TV
This shows you what it means to make it to the first round at Wimbledon for some players. Sometimes you lose sight of that. So thank you, Giulia Gatto-Monticone.
Williams 6-2 7-5 Gatto-Monticone
And with a rat-a-tat exchange of volleys at the net, Serena Williams finally snuffs out the resistance Guilia Gatto-Monticone.
It was not pretty, but her name is into the second round.
'Save the best rally to last' - Serena secures place in the second round
Sousa 3-0 Jubb*
Katie Falkingham
BBC Sport at Wimbledon
The crowd on Court 17 cheer every point Paul Jubb wins as if he’s won a set. They’re even calling him “Jubby”.
There’s nothing quite like a nickname to show they’ve taken you to their heart.
And he’s got a scout nearby. Davis Cup captain Leon Smith is watching on from the corner.
Williams 6-2 6-5 *Gatto-Monticone
Serena Williams misses down the line when there was a juggernaut-width corridor of space to look at at deuce.
She slaps away a drive volley to bring up a match point...