Lucy Bronze is caught out by the quick feet of Hina Sugita and concedes a free-kick.

It's a decent delivery into the box but Steph Houghton heads away before Demi Stokes closes down Honoka Hayashi's shot from the rebound.

Sue Smith
Former England international on BBC One

Team GB just need to remain focused and organised defensively because Japan will have a lot of possession, their movement is very good.

Where Canada got at Japan was out wide, sometimes defensively they can be quite narrow.

So, the likes of Parris and Hemp are so key for Team GB.

Elsewhere in women's football, Zambia's Barbra Banda scored her second hat-trick of the Games as the Copper Queens drew 4-4 with China in Group F.

Sweden got their second win in as many games, beating Australia 4-3 in Group G.

Image source, Getty Images

Over at the Aquatics Centre and it's good news for Great Britain's Max Litchfield, who has qualified for the final of the men's 400m individual medley. It's disappointment for Brodie Williams, though, who misses out.

There was also a shock as home favourite and world champion Daiyo Seto, tipped to be Japan’s best hope for gold in the pool, failed to qualify.

The final is at 0230 BST on Sunday morning.

There was an upset in the boxing ring earlier as Britain's Peter McGrail lost to Thailand’s Chatchai-Decha Butdee in the men's featherweight division on his Olympic debut.

It's a bright start from GB. Keira Walsh looks for Lauren Hemp at the far post but it just overruns and goes behind for a goal kick.

Here we go.

The anthems are done and it's time to get down to business in Sapporo.

Both sides take the knee before the hosts getting us under way in Group E.

Image source, Getty Images

Karen Carney
Former England and GB international on BBC Radio 5 Live

Team GB have gelled really well, the introduction of Kim Little, Sophie Ingle and Caroline Weir has really added some more extra dynamism in that midfield area that sometimes we've lacked.

But it looks a really good team that's getting stronger and stronger, it was a solid performance in the opener against Chile.

A good start to the third quarter for Great Britain in the men's hockey with Liam Ansell putting them ahead with a shot which the South African goalkeeper misses.

As it stands, Canada are top of Group E after their 2-1 win over Chile earlier today.

Having played a game less, GB are still in the driving seat and will progress to the knockout stages with victory over Japan in Sapporo.

Great Britain kicked off their Tokyo 2020 campaign with a comfortable 2-0 win over Chile.

Manchester City striker Ellen White scored either side of the break to put Hege Riise's side in the driving seat in Group E.

If you missed any of the action, you can see the highlights below.

Heartbreak.

Image source, Getty Images

Disappointment.

Image source, Getty Images

Celebration.

Image source, Getty Images

From Laura Bassett's heartbreaking injury-time own goal in the 2015 World Cup semi-finals, to Scotland's defeat in Rennes four years later which all but ended their hopes of making it out of the group, the home nations have had mixed fortunes against Japan in recent years.

The Lionesses have enjoyed back-to-back wins since in the 2019 World Cup and 2020 SheBelieves Cup respectively, but today will be another tough test for GB as Hege Riise's side face the 2011 world champions.

Kick-off in Sapporo is just 10 minutes away.

Cheers Steph!

Just when you thought you'd stepped down from football's emotional rollercoaster this summer after Euro 2020, we're about to strap you back in again, and this time it's the women we'll be watching closely.

After beating Chile in their opener, Team GB take on hosts Japan at 11:30 BST.

Quite a morning so far. There's plenty more to come, too.

Here's Ellie Thomason...

Tom Brown
BBC Sport Wales in Tokyo

Wales and Great Britain hockey player Jacob Draper turns 23 today.

He has just made his Olympic debut.

A decent birthday present I imagine.

South Africa have had to deal with a green card - a two-minute period with a player off the field - but GB haven't been able to take advantage. It's level at half-time.

Plenty of British interest in the pool as the opening swimming heats get under way:

• 1113: Max Litchfield and Brodie Williams are in heat three of the men’s 400m individual medley.
• 1135: Harriet Jones goes off in heat five of the women’s 100m butterfly.
• 1154: Kieran Bird makes his Olympics debut in heat four of the Men’s 400m freestyle.
• 1218: Aimee Wilmott is in heat three of the women’s 400m individual medley in what is her third and final Olympics.
• 1235: James Wilby is in heat five of the men’s 100m breaststroke.
• 1240 Adam Peaty begins his title defence in heat seven.
• 1243: Great Britain are in heat one of the women’s 4x100m freestyle relay.

Right then, we're about to get busy. The hockey will continue, GB's women's footballers will kick-off soon and the Olympic swimming events are about to begin...

Still level as we head towards half-time. If you want a feel of what it's like to play top-level hockey, take a look at this, with Radio 1's Jordan North trying his hand...

Swimming – always a highlight of the first week of an Olympics – is about to start at the Tokyo Aquatics Centre.

The men’s 400m individual medley heats are the first to get under way. Britain’s Max Litchfield and Brodie Williams are both in heat three at 11:13 BST.

Adam Peaty, one of Great Britain's best hopes for a gold medal, goes off in heat seven of the 100m breaststroke at 12:40.