Postpublished at 15:44 British Summer Time 2 July 2019
*Harris 6-3 1-6 1-1 Federer
A service hold to love from Federer and it's 1-1 in the early stages of set three on Centre. Watch live on BBC One.
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
Michael Emons and Saj Chowdhury
*Harris 6-3 1-6 1-1 Federer
A service hold to love from Federer and it's 1-1 in the early stages of set three on Centre. Watch live on BBC One.
Harris 6-3 1-6 1-0 Federer*
Boris Becker
Three-time Wimbledon champion on BBC TV
He works so hard off the court. At 37, he is still one of the fittest players. It doesn't come naturally, you have to work for it.
I have seen him eating a doughnut, but he doesn't have it the night before the finals! Sure he has his Christmas meals and Easter breaks, he's a human being.
Bogdan 5-7 1-1 *Konta
Johanna Konta's return at 40-15 down is a thing of beauty, racquet head speed translating hip-and-arm whip into a blurring winner.
Ana Bogdan cuffs into the net on the next point and suddenly Konta is commanding forces and threatening to storm the Romanian's serve citadel.
But a bounce smash long and over-cooked groundstroke sees the pressure seep away like a popped balloon.
Bogdan hold.
Norrie 6-2 6-4 6-4 Istomin
British number two Cameron Norrie is safely into the second round after a comfortable victory over Uzbek Denis Istomin.
Norrie faces a tough test against eighth seed Kei Nishikori next.
*Harris 6-3 1-6 0-0 Federer
Jonathan Jurejko
BBC Sport at Wimbledon
Panic over? The mood on Centre Centre suggests so. The Fed Heads are on their feet and are suddenly exuding positive energy.
The challenge for Harris was always going to be maintaining that sky-high level, especially when Federer started finding his touch and rhythm.
The Swiss maestro is starting to get his groove on, with Harris beginning to get some rushes of blood to the head.
*Harris 6-3 1-6 0-0 Federer
There were only 35 points in that set and Federer won 25 of them.
Harris 6-3 1-6 Federer
Boris Becker
Three-time Wimbledon champion on BBC TV
He really had to raise his game because Harris didn't start playing badly all of a sudden, it's just Federer is playing a lot better.
Harris 6-3 1-6 Federer
Normal service has resumed on Centre Court. A 20-minute second set is dominated by Roger Federer, quickly wiping out the fact he lost the opening set.
*Bogdan 5-7 0-1 Konta
Johanna Konta gets the first set off to a solid start with a service hold...
It is getting a little sunny on Court One. The fan who is inexplicably wearing a sombrero - with no other fancy dress in sight - looks like he has actually chosen his headwear wisely.
Harris 6-3 1-5 Federer*
Federer, after losing the opening set, is dominating the second and now has a double break and is serving for the set.
*Harris 6-3 1-4 Federer
Boris Becker
Three-time Wimbledon champion on BBC TV
Imagine being Roger Federer's parents, everywhere you go you are on TV as much as your famous child.
*Harris 6-3 1-4 Federer
This was how Lloyd Harris' first set was described on BBC Radio 5 Live.
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Martina Navratilova
Nine-time Wimbledon singles champion on BBC TV
That's what I like. The maturity of a pro that knows what she's doing. Johanna Konta made five unforced errors in a row at 5-4 but she didn't let it get her down - she took her opportunity to break Ana Bogdan there.
Overall there wasn't much between the players but Konta did just enough.
*Harris 6-3 1-4 Federer
Will this be as good as Lloyd Harris' day gets? How many people can say that they won the first set they ever played at Wimbledon and it came on Centre Court?
Bogdan 5-7 *Konta
Rapturous (and a little relieved) applause from the Court One crowd as Johanna hits depth and forces Ana Bogdan to poke wide in response.
It has been a tight first set.
Bogdan won 80% of points behind first serve, Konta scored 77% in the same category.
Harris 6-3 1-3 Federer*
Boris Becker
Three-time Wimbledon champion on BBC TV
That's the moment Roger Federer has been waiting for. Now to hold serve, which is most important after a break.
Harris 6-3 1-3 Federer*
Lloyd Harris saved two of the three break points and is at the net with a forehand trying to save the third.
But the arm is a bit too loose, there's a bit too much power on it and, after Hawk-Eye checks it, it is out and Federer grabs a break in game four of set two.
*Bogdan 5-6 Konta
Johanna Konta breaks out the forehand slice drop shot at 15-30 up. It is too foxy for Ana Bogdan and suddenly two set points are on the table for the British number one...
*Harris 6-3 1-2 Federer
Federer with three break points.
*Harris 6-3 1-2 Federer
Jonathan Jurejko
BBC Sport at Wimbledon
Much better from Federer in that hold to love. But he still looks forlorn out there. Head down, playing with the strings of his racquet. Like he is lost in his own miserable thoughts.