Natasha Jonas vs Mikaela Mayer LIVE: Result tonight as Briton retains title in enthralling bout

Round 11

Into the championship rounds. Chelli rolls under a punch and lands a slightly laboured left hook.

Cullen hops about, trying to keep himself energised. He steps in with a jab but receives an uppercut to the body for his trouble.

Chelli is looking to finish strong here. He unloads an overhand right, but Cullen’s guard stands up to it.

Cullen, cut above his left eye, is now dripping blood from his nose.

Round 10

Three rounds to go, barring a stoppage. Both men look to box on the outside and miss.

Cullen steps onto a jab that snaps back his head.

Round nine

I’d argue that Cullen needs a strong final stretch in this fight.

He just misses with a jab, and Chelli’s counter effort is on point. Now Chelli massively overshoots a right hook.

Chelli holts back Cullen’s head with a jab, but the champion retaliates with a spiteful hook!

Round eight

Cullen presses forward, and Chelli looks to deter him with some counter punches.

Chelli’s jab can be so awkward; he really leans off to the left and throws it from a weird angle.

The boxers wrestle in close. Now they separate, and Cullen skips to his right before firing off a stinging jab. Better from the champion.

Chelli tries a counter left hook, but it’s a bit of a sloppy effort. This fight hasn’t been of the highest quality, but it has been engaging.

Chelli stumbles off balance and misses with a wild hook.

Round seven

That ‘bruising’ around Cullen’s left eye might have actually been smeared blood. His corner tapes up the wound.

Into the second half of this fight. Cullen keeps his guard high to block a wide left hook. Chelli tries an overhand right now, but it doesn’t quite land.

Better accuracy from the challenger now, though, and he catches Cullen’s attention!

Stern double-jab by Chelli. Harsh hook to the body of Cullen. Is Chelli starting to pull away in this fight?

Round six

While Cullen is the taller fighter, Chelli has a bit of a thicker frame, and he’s using his weight to sap the champion when he can.

Lots of hard body shots from Chelli at close range, as he backs up Cullen against the ropes.

Cullen looks quite tense, just as he appeared to be in the first couple of rounds. He seemed to relax a bit after that but has seemingly regressed somewhat...

Round five

More messy exchanges in this frame. More grappling.

The boxers separate. Chelli partially lands a spiteful overhand right.

A good round for the younger man.

Round four

Chelli loads up bigggggg on an overhand right, but he misses by some distance.

A scrappy exchange ensues, with both men landing sporadic shots. Snapping jab by Cullen after he misses with a rear uppercut from range.

Good jab from Chelli, who then hammers a right hook into the midriff of Cullen. And again.

Chelli steps back to evade a jab, then pings one of his own.

There’s a brief period of inactivity, and the crowd voices its restlessness.

More grappling, and Chelli again gets the better of Cullen at that range, battering him with right hooks.

Round three

Lots of jerky feints from both men, but little output so far in this round.

Cullen can’t quite find his range with his crosses, despite his long reach. Chelli opts for some hooks, to the body then head, before clinching.

Decent rear uppercut by Cullen, and Chelli replies with a hard right hook. Another right hook by Chelli, then a left uppercut to the mid-section.

More aggressive hooks from Chelli. There’s some bad bruising around Cullen’s left eye.

Round two

Chelli with an unorthodox jab from range, but it works! Now he just overshoots a right hook, but Cullen will have felt some of it.

Cullen walks onto a jab, then Chelli lands an overhand right! This is a good spell from the younger boxer...

Another well-timed jab from Chelli. He jumps in with a left hook, but it doesn’t land particularly hard.

Cullen with his own hook now – a cleaner shot. He parries a jab. Lots of holding ensues, with the boxers roughing each other up.

They separate, and Cullen chases Chelli into the corner.