Irankunda was the star of the show yet again as Watford came from behind twice to draw 2-2 with Southampton, rounding off a very promising first month of his Watford career.
Pezzolano is determined to ensure the 19-year-old keeps improving.
The head coach said: “Nestory hasn’t accomplished anything yet.
“We know that he has so much more to give and the most important thing is that he keeps on working.
“We know about his quality and while we didn’t expect those free-kicks in such a short amount of time, we know he is very good at them.
“I am going to stay on top of Nestory. He has to keep on growing, keep on developing. We cannot settle for that.”
Pezzolano went into more detail about where the Australian can progress.
He said: “From a fitness point of view, if he now sprints 20 times per game, he has to sprint 30.
“If he has the opportunity to give three assists, he has to give six. If he can score two goals, he has to score four.”
Double backflip action 🤸 pic.twitter.com/MgdG05CmiT
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“He needs to improve tactically, be better at understanding when and how he needs to press.
“He needs to make the right trajectory for attacking the opponent when they have possession.
“Basically, we want to help him realise the great player he can be and the player we can help him become.
“It’s been two or three years since everybody expected him to be a great player, we want to help him achieve that.”
Pezzolano was, of course, hugely impressed by Irankunda’s free-kick – and has also been taken by the quality of his backflip celebration, joking that he should enter the Olympics.
He said: “Those were perfect, beautiful goals.
“I can’t remember anyone scoring two in a row in my career.
“The backflips are incredible. Every day in the gym, on the pitch. He’s happy so I don’t have a problem with it.
“With [Kwadwo] Baah, it’s a good competition. We can go to the Olympics with them.”