Alex Hales knows he is under pressure to justify his place in the England team after a disappointing Test series against Pakistan.
The 27-year-old contributed just one half century in eight innings - notching 54 in the third Test at Edgbaston - as Mickey Arthur's tourists secured a 2-2 draw with victories at Lord's and The Oval.
He failed again in the final contest, making six and 12 as Pakistan won by 10 wickets in London on Sunday.
Hales has been retained in the one-day international series squad, with the first of five matches in the 50-over format due to take place in Southampton next Wednesday.
But it remains to be seen if he will remain in the selectors' long-form plans for England's tour of Bangladesh and India later this year.
"I haven't cemented my place - averaging in the mid-20s isn't good enough - and I have to improve," he told the Guardian.
"The job is about scoring runs, plain and simple. You can talk about it all you want, but you have to score runs and I'm at that stage.
"I'm still learning in the Test arena. In the one-dayers it took me 20-odd games to put a big score on the board and the runs have come at a good rate ever since. Hopefully, they keep that faith in me for Test matches."
Hales' poor form is not his only concern - the Nottinghamshire batsman was fined 15 per cent of his match fee for confronting the third umpire after being given out to a contentious catch in the first innings at The Oval.
"I'm filled with regret about the whole thing and I'm sorry for the whole situation," he said.
"I'll have to move on and know that, if something like that happens again, I'm now better equipped to deal with it."