• Forward favours United move after Ajax contract talks break down • Manager says Romelu Lukaku may be fit only for bench in Cup final

José Mourinho is targeting Ajax’s Justin Kluivert this summer, with the 19-year-old favouring a move to Manchester United.

Kluivert, the son of the former Barcelona and Netherlands centre-forward Patrick, has been in contract discussions with Ajax. It is understood talks have broken down because of his demand to be the highest-paid player at the club.

Kluivert asked for a sizeable rise to €1.5m (£1.3m) a year and a proportion of any transfer fee to be split between him and his agent, Mino Raiola. Ajax’s policy is to pay no player more than €1m, so Kluivert demanded a significant signing-on fee.

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Kluivert scored 10 goals in 30 league games this season and believes he deserves fresh terms to reflect his growing status. He is on the wage of his initial professional contract, signed in 2016, which ends next summer. Kluivert made his international debut in March, as a replacement in the Netherlands’ 3-0 win over Portugal.

Kluivert likes to play as a wide forward and can operate on either wing. Mourinho was a coach at Barcelona in the late 1990s when Patrick Kluivert played for the club.

Mourinho’s interest in Kluivert casts further doubt over the future of Anthony Martial. The 22-year-old has been unable to hold down a starting place. The United manager criticised him after last Friday’s 1-0 defeat at Brighton and he was on the bench for Thursday’s goalless draw at West Ham.

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Mourinho said Romelu Lukaku may be fit enough for a place on the bench for next Saturday’s FA Cup final against Chelsea. The striker has missed United’s past two matches with an ankle injury and will be absent when they host Watford on Sunday. “We hope he can play the final,” Mourinho said. “He is in Belgium having his treatment with communication between the Belgian doctors and our medical department. We are just waiting to see if it is possible for him to be involved in the final. If not starting, at least on the bench.”

Mourinho said Marcus Rashford and Martial would return against Watford. There will also be starts for Sergio Romero, Eric Bailly, Daley Blind and Juan Mata, and Michael Carrick will be captain in his final appearance before joining United’s coaching staff. “He is not going to finish the match because I want him to leave the pitch alone and I want him to feel what the Manchester United supporters feel about him,” the manager added of Carrick.