Heather Watson is trying to get her service game under way but she's being chased by a wasp, much to the amusement of the crowd.

Not what you want. Ever.

A much easier affair on Sanders' serve. A hold to 15 for the Australian and she celebrates with a big 'come on' and a little jump on the spot.

We're closing in on two hours played in Glasgow.

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Mel South
Former British player on BBC TV

Watson is digging so deep internally and fighting the battle of the occasion. She wants this so much.

Gigi Salmon
BBC Sport tennis commentator

What a hold that might turn out to be for Heather Watson.

Now the pressure flips onto Storm Sanders.

Finally, FINALLY, Heather Watson gets the hold at the third time of asking and that was an almighty fight.

How important could that prove to be? Everyone take a deep breath.

Storm Sanders to serve to stay in the set.

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Gigi Salmon
BBC Sport tennis commentator

This is such an important game in the context of this set, this match and possibly the context of the whole tie.

A heck of a battle has unfolded on Heather Watson's serve here, Storm Sanders missing out on four break points and Watson failing to convert two game points herself .

Back at deuce for the sixth time...

A first ace of the day for Storm Sanders secures a hold to 15 for the Australian and she is looking far more pumped than she was a few games ago.

It's still anyone's guess as to where this set is going!

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Jonathan Jurejko
BBC Sport

It might have been an early start in Glasgow, but the home fans are certainly pumped up.

Sure a coffee or two has helped stimulate the adrenal glands.

The biggest crowd of the week is backing the Brits, with a surge for tickets after they reached the semi-finals.

Over three-quarters of the 4,300 tickets had gone by late last night and there aren't too empty spaces in the lower tiers.

The Barmy Army has swelled in size, too. They are armed with trumpets, drums, tambourines and loud voices.

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A good, positive start on serve for Heather Watson as she takes a 30-0 lead, and after she successfully challenges a call of out on her serve, moves to 40-15 and game point.

She secures the hold as her Australian opponent nets a backhand.

An easy enough hold to 15 for Storm Sanders, and there's nothing to split these two as it stands in the second set.

Storm Sanders has found another gear after a slow start to the set. She pegs Watson back after every point the Brit wins, but a stunning play from Watson at 30-30 sees Sanders unable to return at the net, sliding awkwardly to the floor as she fails to lift the ball high enough.

A hold for Watson, and an important one at that.

Mel South
Former British player on BBC TV

Sanders has a slight niggle but it is not stopping her playing excellent tennis.

When your opponent has some sign of injury, that is in the back of your mind but you have to control what you can control.

Jeeez, a corker of a drop shot off the toes from Heather Watson wins the Brit the first point of the Storm Sanders serve. Shot of the day so far.

At 0-30 down, Sanders battles her way back into the game, levelling as Watson pings a backhand into the net. She earns game point as the Brit goes long, but Watson stops her in her tracks with a backhand down the line.

Sanders lets out an almighty scream as she eventually gets the hold and she is back in this set.

Mel South
Former British player on BBC TV

Anne Keothavong will be talking to Heather Watson about not dropping her head and worrying about losing serve.

It's about looking forward and not behind, not dwelling and fighting for a way through.

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Much more of a battle on Heather Watson's serve, with some aggressive play from Storm Sanders pinning her back all the way to deuce.

Bouncing her racquet off the ground, a sign of frustration from Watson as Sanders gets the advantage and the immediate chance to break back, but Watson saves the point with lovely work at the net.

From there, Sanders hits a return long over the baseline, but Watson plants a forehand between the lines and it's back to deuce. The Aussie sees another break point go begging, but breaks at the third time of asking as Watson plonks a return into the net.

Russell Fuller
Tennis correspondent at Emirates Arena

I’m not sure exactly why Sanders needed the medical time out at the end of the first set. She has no visible sign of strapping but has started this second set more tentatively and seems a little uncomfortable when running to her backhand.

Watson has taken her chance well and is now right back in this match.

Gigi Salmon
BBC Sport tennis commentator

Storm Sanders doesn't look massively comfortable when she pushed out wide to the right.

Mel South
Former British player on BBC TV

Sanders has been moving well from side to side, so that double fault for 0-15 was maybe the first sign that her right leg - the landing leg on the serve - has a slight tweak.

Something to watch and shake off for Sanders.

A much more bouncy Heather Watson finds herself with three break points. She can't convert the first two, but can the third as Storm Sanders skews what should have been a clean, easy return.

Watson breaks! A brilliant start to the second set from the Brit and the momentum is with her.

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