JOS Buttler is coming of age in England’s Test side, and the wicket-keeper insists there is still plenty more for him to in the Ashes series.

Entering the Test arena almost a year ago against India, it was hard to know what to expect from a 23-year-old with a glowing one-day record and a reputation of smashing the white ball to all parts of the park.

But three 50s in his last five tests – including a stand-out 73 in England’s otherwise dismal second-innings batting display at Headingley on Tuesday – and a Test average over 52 shows that Buttler could well have a huge role to play.

Buttler sees himself more in the mould of Matt Prior and is relishing the diversity that batting at No.7 offers him.

“I think I understood my one-day game a lot better than I did red-ball cricket to start with,” said Buttler, who was launching Royal London’s summer of cricket.

It includes the first Royal London One Day International, starting on Tuesday against New Zealand.

“For a long time I saw them as two different games, “he added, “whereas now I’m trying to play one game and have the same kind of mindset.

“That seems to have given me a lot more success and, given where I bat in the side, you have to be ready to face a variety of situations.

“Sometimes we might be 400-5 and you have the licence to go out and play exciting cricket, or at 100-5 you need to either counter-attack or dig in.

“Then there are times you are trying to save the game and, as I’ve matured, I’ve begun to enjoy those situations and understand them more as well.

“The Test game ebbs and flows as well; someone may bowl very well at you or you may come up against someone you really want to attack. You need to understand that flow.”

His 2013 move to Lancashire transformed him into a frontline county keeper, and he believes his improvement shows he can be the long-term successor to Prior under new England coach Trevor Bayliss.

He said: “I’m a work in progress with the gloves. I know that and I made the move to Lancashire in order to keep wicket more.

“My biggest frustration is that I’m not 35 with 400 games of wicket-keeping to fall back on – I’m still learning.”

Buttler also helped launched a new ECB grassroots cricket competition, the Royal London Gilbert Cup, in which hundreds of Under 11s from across the country will compete in an eight-a-side soft ball competition throughout the season.

It will culminate in a grand final at Lord’s during the interval of the One-Day Cup final in September.

Jos Buttler was speaking at the launch of the Royal London Gilbert Cup, a new grassroots U11 cricket tournament. www.royallondoncricket.com