Andy Murray beats Nikoloz Basilashvili 6-4 6-3 5-7 6-3
Murray served for match three times in third set, which he led 5-0
Match resumed with roof closed on Centre Court for fourth set
Heather Watson loses deciding set 8-6 to Kristie Ahn on Court One
Two-time champion Petra Kvitova loses 6-3 6-4 to Sloane Stephens
French Open finalist Stefanos Tsitsipas beaten in three sets by Frances Tiafoe
Novak Djokovic beats Jack Draper 4-6 6-1 6-2 6-2 on Centre Court
That's all to end a fantastic opening day of Wimbledon 2021.
We're back up at 11:00 on Tuesday with those in action including Dan Evans, Ashleigh Barty, Roger Federer and Serena Williams.
Thanks for joining us and see you tomorrow. Bye for now.
Murray 6-4 6-3 5-7 6-3 Basilashvili
Jonathan Jurejko
BBC Sport at Wimbledon
Image source, ReutersAndy Murray recomposed himself to ensure his Wimbledon singles return ended with a dramatic four-set victory over 24th seed Nikoloz Basilashvili.
In his first singles match in SW19 since 2017, the two-time champion led 6-4 6-3 5-0 against the Georgian.
The Briton could not convert two match points and wobbled as Basilashvili, 29, fought back to force a fourth set.
After a break to shut the Centre Court roof, Murray returned reinvigorated to win 6-4 6-3 5-7 6-3 under the lights.
There was still more tension at the end of the fourth set, though. Murray was unable to take a third match point when Basilashvili nailed a forehand winner down the line, but clinched victory with the fourth when his opponent hit into the net.
The majority of the home fans leapt to their feet in celebration, with a relieved Murray coolly raising his arms in the air before launching into a more manic leap moments later.
Murray 6-4 6-3 5-7 6-3 Basilashvili
Wimbledon 2021: Andy Murray through to second round after beating Nikoloz Basilashvili
Watch the moment Andy Murray seals his place in the second round of Wimbledon after a three sets to one victory over 24th seed Nikoloz Basilashvili.
Ahn 2-6 7-6 (7-3) 8-6 Watson
Katie Falkingham
BBC Sport at Wimbledon
That's it. Heather Watson exits Wimbledon in the first round after a lengthy battle against Kristie Ahn.
After such a dominating first set, Watson won't be pleased to have let that one slip through her fingers.
Ahn will play fellow American Sloane Stephens in the second round.
Yes. Yes, there definitely is.
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Katie Falkingham
BBC Sport at Wimbledon
Murray's through but the tennis still continues.
Heather Watson and Kristie Ahn are still thrashing it out over on Court One, it's 7-6 to Ahn in the deciding set.
There's currently a pause for a medical timeout though as Ahn gets some treatment on a knee graze.
Novak Djokovic battled through against 19-year-old Briton Jack Draper, but the teenager in his first ever Grand Slam match, did brilliantly to win the opening set and produced some magic moments, just like this one...
Stephens 6-3 6-4 Kvitova*
Earlier on we saw two-time Wimbledon winner Petra Kvitova, the 10th seed, lose to former US Open champion Sloane Stephens in the first round.
Here you can watch all the best action...
Murray 6-4 6-3 5-7 6-3 Basilashvili
Andy Murray is then asked about his return to the sport after battling injuries and adds: "It's been extremely tough. Even these last few months. It has been extremely frustrating not being able to get on the court.
"I've had such little momentum over these last few years. I've kept trying, doing all the right things to be back in this position. I feel very luck I get to do it again.
"I keep getting asked is this going to be my last Wimbledon. I don't know why I keep getting asked. No, I'm going to keep playing.
"I want to play, I'm enjoying it. I can still play at the highest level. He's ranked 28 in the world and I beat him. So I'll keep going."
Tracy Austin
Two-time Grand Slam champion on BBC TV
I had tears because his mum and wife had tears. They've been with him every step of the way.
This guy loves tennis. He's won majors, he's won gold medals, he just loves to play. It was very difficult to regroup after that third set.
The movement is what we keep our eye on because it's one of Andy Murray's biggest assets. That movement, we saw [it today], and that is really important. What a beautiful moment.
Murray 6-4 6-3 7-5 6-3 Basilashvili
Andy Murray continues: "I did well to win the fourth set in the end because that was mentally not easy going to the locker room after losing that third."
Asked what he did after the third set while he waited for play to resume he draws a few laughs by adding: "I went and had a shower. I went to the toilet. It was just a number one.
"It was just really disappointing I'd lost the third. I had to remember what I was doing to get into the winning position. I think I served better in the fourth and managed to turn it back around."
Andy Murray speaks to the BBC and is told he frazzled a few nerves during that one.
"And my own," he responds.
"It's amazing to be back out here playing again on Centre Court. It's such a brilliant atmosphere, it's something that since I came back to play in the last eight or nine months I've missed, is playing in front of the fans."
*Otte 4-6 6-3 6-2 6-7 9-9 Rinderknech
It's a qualifier next up for Andy Murray, but we won't know which one until tomorrow.
Germany's Oscar Otte and France's Arthur Rinderknech are level at 9-9 in the fifth when play was suspended and that will be concluded on Tuesday.
John McEnroe
Three-time Wimbledon singles champion on BBC TV
Boy, oh boy. Talk about an emotional rollercoaster. To be able to overcome that tells you something about what Andy Murray is made of.
Ahn 2-6 7-6 (7-3) 4-5 Watson*
Katie Falkingham
BBC Sport at Wimbledon
Nearly there...
Heather Watson breaks Kristie Ahn's serve for a second time in this set and now just needs to hold the next game to book her spot in the second round.
She takes a moment on the change of ends, sitting in her chair with her towel over her head.
Murray 6-4 6-3 5-7 6-3 Basilashvili
He's done it. Andy Murray in the singles at Wimbledon for the first time since 2017 and he gets himself into the second round.
It went a set longer than he would've liked after he somehow let a 5-0 lead slip in the third set. But that doesn't matter now as he wins it at 21:49 BST to advance.
The legs may be aging, but never question the determination. Murray wins.
But match point four is just around the corner for Murray.
What a shot from Basilashvili, he gives himself some space and crunches an unstoppable forehand down the line. Match point saved, deuce again.
Wild on the forehand from Basilashvili. Match point number three for Andy Murray. This could be it.
A dream cross-court backhand from Murray forces Basilashvili to net and it's deuce again.
