Tottenham's hopes of signing Belgium defender Jan Vertonghen are fading due to a clause in his Ajax contract.

Vertonghen is entitled to 15% of the agreed £9.5million transfer deal under the terms of his deal with the Dutch champion.

Ajax has indicated its reluctance to honor the clause and, while the 25-year-old still seeks a move to White Hart Lane, he is resigned to staying in Amsterdam.

"This is a shame. I thought that it would be sorted out much sooner," he told Dutch newspaper Algemeen Dagblad.

"As it looks now, I'll be at Ajax on July 2. I'm hoping for a solution, but I'm not expecting a solution.

"I have one advantage: Ajax has got a good coach who knows me.

"I play in a good, stable squad. Let's become champions with Ajax for the third time in a row.''

Vertonghen is astonished that specific details of his contract have been


"I'm shocked. The percentage is correct - it's unbelievable. I know that at

Ajax a lot of things are leaking,'' he said.

"When you hear it about other football players, you don't feel it. It's different when it's about yourself."