Postpublished at 15:13 British Summer Time 16 April 2022
Sonia Oxley
BBC Sport in Prague
I just walked past a noisy Czech team locker room - whoever was in there was really going for it with some team-building clapping...
Czech Republic 3-2 Great Britain
The Czechs qualify for November's Billie Jean King Cup finals
Saturday results: Raducanu 1-6 1-6 Vondrousova; Dart 6-0 5-7 6-2 Fruhvirtova
Raducanu hampered by blisters but Dart wins to force doubles in best-of-five tie
Dart and Swan lose 6-1 7-5 to Vondrousova and Muchova in Prague decider
Amy Lofthouse
Sonia Oxley
BBC Sport in Prague
I just walked past a noisy Czech team locker room - whoever was in there was really going for it with some team-building clapping...
Vondrousova/Muchova v Dart/Swan
This will be three sets, with the winner automatically qualifying for November's finals.
The runners-up will face a play-off tie in the same week.
Vondrousova/Muchova v Dart/Swan
Right then.
Which way will this one go?
With the British team having an unfamiliar look, Anne Keothavong was pleased to be able to get the players together early for plenty of practice and bonding time.
Emma Raducanu, Katie Swan and Sonay Kartal were practising at the National Tennis Centre in Roehampton last week, with Harriet Dart joining a few days later after competing in Bogota.
The squad flew to Prague together on Monday, giving them a few days in the Czech capital to finalise their preparations.
Keothavong was confident the schedule would ensure the players were "in tip top shape" going into the weekend.
Judging by this clip of a rally between Raducanu and Dart in practice, it seems to have worked...
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It'll be Marketa Vondrousova and Karolina Muchova taking on Harriet Dart and Katie Swan.
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Sonia Oxley
BBC Sport in Prague
Ouch. Emma Raducanu has been telling BBC Sport about her blister treatment:
"Will (physio) is bathing my feet in surgical spirit every day - it's definitely painful, we did it after the match, I was literally screaming but you've got to do what you've got to do and try and get ready for Stuttgart [next tournament]."
The doubles will start in about 20 minutes time, although we're still not sure who will contest it for either side.
Sonia Oxley
BBC Sport in Prague
Yesterday it was Dart hugging Raducanu for leveling the tie - now it’s the other way round!
Dart 6-0 5-7 6-2 Fruhvirtova
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Dart 6-0 5-7 6-2 Fruhvirtova
Harriet Dart, speaking on court: "I definitely think I gave my team a little bit of a heart attack. It's natural that I was a bit nervous to try and close it out. I was happy that I was able to reset after the second set.
"I'm really proud of myself to get through. Linda is a great player and I knew it was going to be a really good match. She fought really hard and I am just really pleased to get through."
Asked if she's ready to play the doubles: "Yes. If I'm called up I'll be ready."
Dart 6-0 5-7 6-2 Fruhvirtova
There's a huge smile on Harriet Dart's face as she's congratulated by her teammates.
It took two hours and 17 minutes for Dart to notch he first Billie Jean King Cup singles win.
Dart 6-0 5-7 6-2 Fruhvirtova
She's done it!
To the deciding doubles rubber we go!
*Dart 6-0 5-7 5-2 Fruhvirtova
Dart misses her first serve...
*Dart 6-0 5-7 5-2 Fruhvirtova
This is a bit more like it for Harriet Dart as Linda Fruhvirtova misses a forehand and hurries her along to 30-0.
A swat from Dart drifts long but it's a miss from Fruhvirtova that hands Dart two match points!
Sonia Oxley
BBC Sport in Prague
The trouble for Dart when serving from this end is the noise…the man on the drum and his two friends on horns have played in between every single point in this tie without fail! She needs to block it out.
*Dart 6-0 5-7 5-2 Fruhvirtova
Make this match make sense.
Linda Fruhvirtova comfortably gets herself to 40-0, but it should be 40-30 before Harriet Dart makes a mess of a jabby forehand at the net.
Dart will have a fourth go at serving out the match.
Dart 6-0 5-7 5-1 Fruhvirtova*
Well!
Linda Fruhvirtova breaks. Harriet Dart still has a comfortable lead but is this another twist?
*Dart 6-0 5-7 5-0 Fruhvirtova
Oh, ouch.
Another double fault and Fruhvirtova has three break points.
*Dart 6-0 5-7 5-0 Fruhvirtova
Hmm...
Dart slides and nets a forehand for 0-30...
*Dart 6-0 5-7 5-0 Fruhvirtova
Harriet Dart double faults first up.
0-15.