Jo Price
Former Wales goalkeeper on BBC Radio Wales

Wales just need to keep possession.

Kayleigh Green is offside now, so her cross to the back post is to no avail.

Wales are on the front foot immediately, and this record home crowd are loving it.

The Barry Horns are in the house and making themselves heard.

For the uninitiated, they're a brass band who play at Wales men's games too,

Positive start from Wales as Carrie Jones pulls the ball back for Jess Fishlock, whose shot is blocked.

The flag was up for offside against Jones in any case, but that's an encouraging start from the hosts.

Referee Marta Huerta De Aza blows her whistle and it's Wales who get us under way.

Here we go!

Jo Price
Former Wales goalkeeper on BBC Radio Wales

It's about making sure we get a good start within the first 10 minutes.

Wales are playing in front of yet another record crowd tonight, having sold more than 14,500 tickets.

"It is crazy to think it's our biggest game and our biggest crowd, it's amazing to think we've broken our record three times in this campaign," says captain Sophie Ingle.

"The crowd are massive for us, they create an incredible atmosphere and they push us on, they are really important for us."

Rhiannon Roberts and Ceri Holland say they "can't wait to get going" tonight.

The Liverpool duo have been speaking to BBC reporter Delyth Lloyd.

We've had Zombie Nation and the light show at Cardiff City Stadium, which means kick-off is getting closer.

The teams are out on the pitch. Time for the anthems.

Image source, Huw Evans Picture Agency

This is another historic, record-breaking week for Wales and, as a group of players and staff, we feel like this is our time.

The whole campaign has felt significant. I think there's been a lot of weight put on each game and rightly so because we're at a stage in our history where, having built up to this point over the past 10 years, we're in a really good place.

We've come close to qualifying in the past but never this close, just three wins away from that elusive first major tournament. We've had strong games but not got the results we've wanted over the course of the campaign.

That has really lit a fire in us. We don't want a repeat of that history.

You can read Wales defender Hayley Ladd's BBC Sport Wales column in full here.

It's Hayley Ladd's birthday. More reason for Wales to win tonight and make it a celebration to remember.

Image source, Huw Evans Picture Agency

One thing that is certain and not complicated in any way: this is the most important game in Wales' history.

They've never been this close to qualifying for a major tournament and, listening to players and staff speak this week, you get the sense that they're relishing this opportunity.

"This is the point we wanted to be at the start of this campaign," says Wales manager Gemma Grainger.

"We would have given anything to be in this position."

Now, I said earlier that these play-offs are complicated and that was an understatement.

Wales are potentially two games - but maybe three - away from the World Cup. Take a deep breath, here's how.

A win over Bosnia, who are the lowest ranked side in the play-offs, would see Wales travel to Switzerland on Tuesday, 11 October, with the winners of that tie either advancing to the World Cup or a final play-off clash, the inter-confederation play-offs in New Zealand, in February.

The two best-ranked play-off final winners will secure places at the 2023 World Cup, with the other victorious side going into the inter-confederation play-offs.

The 10-team inter-confederation play-offs will also feature Chinese Taipei, Thailand, Cameroon, Senegal, Haiti, Panama, Chile, Paraguay, and Papua New Guinea.

Got it? Maybe this video explainer from Match of the Day Wales presenter Catrin Heledd will help.

Image source, Huw Evans Picture Agency

While Jess Fishlock is back, another of Wales' 100-cap club, Natasha Harding, misses tonight's game and potentially the Switzerland match after being left out of the squad for personal reasons.

Harding was available to play for her club side Aston Villa last weekend.

"Our stance on that is that we made that decision as the Football Association of Wales [FAW], in the best interests of Tash and the team and we are supporting her in every way and for personal reasons, that is why she is not with us," Wales manager Gemma Grainger said on Wednesday.

"I think the statement about personal reasons says everything that it needs to, we have got to make the right decision for the individual and for the team and supporting that player, as we are currently, is our number one priority.

"That decision has been made in the best interests of the team and the player, with the FAW making that decision."

Image source, Huw Evans Picture Agency

Wales are boosted by the return of their most capped and important player, Jess Fishlock, who returns having just won the NWSL title with her club side OL Reign.

The midfielder injured her hamstring on Wales duty towards the end of their World Cup qualifying campaign last month and missed their final Group I games against Greece and Slovenia.

"Having Jess back is a huge boost for us. She's a winner, she brings a winning mentality to us," manager Gemma Grainger says.

"She brings all her experience. She's just won the league with her team and she brings that winning mentality back with her into our camp."

It looks like Bosnia-Herzegovina, 33 places below Wales in the Fifa world rankings, are set up in a 4-2-3-1 formation.

A possible attempt to try and stifle their higher-ranked opponents?

Bosnia-Herzegovina: Almina Hodzic; Gloria Sliskovic, Melisa Hasanbegovic, Marija Milinkovic, Selma Kapetanovic; Zerina Piskic, Marija Aleksic; Ena Sabanagic, Dajana Spasojevic, Andrea Gavric; Minela Gacanica.

Image source, Getty Images

Wales manager Gemma Grainger makes one change from the side that held Slovenia in their final Group I qualifier, with Jess Fishlock fit to return to the starting XI.

Wales' most-capped player replaces Natasha Harding, who is not in the squad for personal reasons.

Fishlock's inclusion will see Ceri Holland pushed into a more advanced role, with Wales switching to 4-3-2-1.

Wales: Laura O'Sullivan, Rhiannon Roberts, Rachel Rowe, Gemma Evans, Hayley Ladd; Angharad James, Sophie Ingle, Jess Fishlock; Carrie Jones, Ceri Holland; Kayleigh Green.

Subs: Olivia Clark, Saf Middleton-Patel, Lily Woodham, Josie Green, Helen Ward, Chloe Bull, Elise Hughes, Charlie Estcourt, Georgia Walters, Megan Wynne, Anna Filbey, Ffion Morgan

Image source, Getty Images