According to Diario Gol, Real are looking to include Bale in a deal for Kane.
And Tottenham are said to be interested in re-signing the Welsh winger.
Bale is apparently angling for a move to United instead though.
And that means the swap deal could fall through entirely if United swoop.
Diario Gol claim Bale is happy to wait until deadline day for United to go in for him.
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Gareth Bale would rather join Manchester United than Tottenham if he leaves Real Madrid
Shaka Hislop says Harry Kane will leave Tottenham this summer
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GETTY
Real Madrid want to include Gareth Bale in a deal for Tottenham star Harry Kane
Only once an Old Trafford switch is ruled out would he rejoin Tottenham, where he'd inherit the departing Kane's No 10 shirt.
Real were supposedly willing to sell Bale last summer for £80m (€90m).
But the club's sniffing around him were only prepared to pay about £53m (€60m).
How much Real will be able to command for Bale at the end of the season remains to be seen.