Corriere dello Sport says Tomiyasu's representatives have spoken to Arsenal over a potential deal as his agents continue to work on earning their client a move to England this summer.
The Japanese international has been back in his homeland representing his country at the Olympic Games as his side reached the semi-finals before being beaten by Spain in extra time earlier this week.
Yet before he jetted off to Tokyo, Tomiyasu was said to be close to joining Tottenham.
Spurs are also keen to bring in the 22-year-old, who is equally comfortable at both centre-back and right-back, something that is of huge attraction to the club's hierarchy.
Fabio Paratici has been a key driving force behind Tottenham's interest in the player and the Italian remains confident he can strike a deal with Bologna.
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