'A formula that works' - continuity is key in Invincibles' latest knockout charge

Can anyone stop Oval Invincibles? They gunned down a target of 172 inside 89 balls against Trent Rockets, their nearest challengers, at The Oval on Thursday night, all but confirming their progress to the knockout stage. One win in their last two group games should be enough to take Invincibles straight through to next Sunday's final at Lord's, as they chase a third title in a row.

This was an exhilarating game decided by two extraordinary innings: Sam Curran belted 52 off 24 balls, including six sixes in an eight-ball stretch, and Jordan Cox smoked 58 not out off 32. Invincibles needed 102 off the last 40 balls when David Willey took the Rockets' strategic time out; it took them just 29 more to finish the chase. It was stunning ball-striking under the pressure of a run chase.

Cox made the first play, hauling Willey over the short boundary towards the dugouts, before Curran went on a rampage. He had scored just 7 off 12 balls at the time out, but resolved that every ball had to go thereafter: "I knew it was six or out for me, because I was struggling a bit." Ten balls and six sixes later, he raised his bat to acknowledge the applause for an outrageous fifty.

Invincibles still needed 38 off 24 when Curran was dismissed. Cox took the baton, hoisting Marcus Stoinis over wide long-on, and then reverse-ramping him for four. Donovan Ferreira cracked his third and fourth balls for sixes, before Cox finished things off with consecutive boundaries, punching the air in celebration.

"It felt like we were in a really strong position, but you have to give credit to the opposition sometimes," Joe Root, who had scored 76 in 41 balls for Rockets, said. "There was great ball-striking and that phase of ten balls in the middle really changed the momentum and made it very difficult for us to get a hold back on the game… Clearly, [Invincibles] have got a formula that works, with some extremely good players."

The Oval was raucous. "It's our first midweek game: a lot of people come in from the city and enjoyed the evening. You get a couple out of the middle, and the fans kept going and going," Curran beamed. "It almost felt like one of those games in India, where there's so much energy… You forgot about the situation, and you just remember how cool this is."

Since England left Cox and Curran out of their white-ball squads last Friday, they have scored 338 runs off 173 balls between them, including 26 sixes. Rob Key, England's managing director, told the Sky Cricket podcast on Thursday morning that Curran had to force his way back in through weight of runs. This knock was as clear a message as he could have ever hoped to send.

"They've been pretty clear with me what I need to do," Curran said. "I'm chasing three trophies at the moment: the Hundred, the Championship, and the T20 Blast for Surrey… Normally guys come into September with an end-of-season feeling, so to be able to say I'm pushing for three trophies and enjoying my cricket is a nice place to be."

A three-peat would be a phenomenal achievement. The Hundred - like most short-form leagues - is designed to ensure competitive balance, with its strict salary bands and annual drafts devised to uphold the theory that anyone can beat anyone. In practice, Invincibles have beaten everyone: across the last three seasons, they have won 19 games and lost only four.

The secret is an open one: continuity is key. They identified a core of local players ahead of the first season and have tried to minimise squad turnover. Will Jacks, the Curran brothers, and Sam Billings have generally been the stars, but Cox, Nathan Sowter and Saqib Mahmood have all been retained throughout the tournament's short history.

"Our roles are so consistent," Curran said. "We've been very smart with the way we've signed players… Guys like Rashid Khan comes in for [Adam] Zampa last year, and then [Jason] Behrendorff comes in for Spencer Johnson. It's pretty smooth planning. We turned up two days before the tournament and there weren't too many meetings, because we knew our roles."

They have actively avoided speaking about the prospect of a third successive title. "We know it's quite a dangerous thing to do," Curran warned. "We know there are a lot of teams that are playing really well and are a lot more settled. The Hundred's into its fifth season, so guys know how to play the format, and we've kept our side pretty solid as well. One game at a time."

Thursday's win was Rashid Khan's final appearance of the season - he is heading to Sharjah for Afghanistan's tri-series with UAE and Pakistan - and he will clearly be missed. He was the game's standout bowler, taking 2 for 19 from 20 balls, and his googly to clean up Root with the final ball of his spell was a turning point.

Rashid had one off-night during his stint this season, when he conceded 59 runs against Birmingham Phoenix, with Liam Livingstone taking him down. In his other five appearances, he has combined figures of 12 for 105 from 100 balls.

Invincibles will go into their final two group games with two overseas players. At the same time, they will be bolstered by the fact that Zampa - last season's leading wicket-taker - is to return for the knockouts.

It should be another seamless transition, for which Tom Moody and Billings - Invincibles' coach and captain - deserve substantial credit. The Hundred may only be in its infancy, but a third consecutive trophy would be an achievement that only a handful of teams in the history of short-form cricket can match.