Chelsea will resist any move to lure Hazard away, but may feel a £150m offer is too good to turn down.
Hazard has been the stand-out performer for Belgium at the ongoing Russian Federation 2018 World Cup with a couple of man of the match performances helping his team reach the semi finals.
Chelsea don't have Champions League football to offer the South American shot stopper unlike Liverpool FC and Real Madrid after their fifth-placed finish last term.
Chelsea have been unable to tie him to a new £300,000-per-week contract and last month Hazard challenged the club to make signings before he would commit.
Cyril Ramaphosa leads praise of Kevin Anderson's shock defeat of Roger Federer
His US Open win past year was the first time he had won a Grand Slam outside of the French Open since winning the US Open in 2013. Friday's showdown will be their 52nd meeting overall _ the most for any pair of men and 14 more installments than Federer vs.
If they hold off and Hazard fails to extend, they could lose out on precious millions.
Real will now formalise their interest.
Nevertheless, losing a player of his talent would be a devastating blow to the Blues and arriving manager, Maurizio Sarri. "Eden Hazard will be leaving for a big, big club".
Without him in the side, it's hard to see where Chelsea's creativity and guile would come from.
However, while all may appear well for Chelsea, Terreur does state that things with Real Madrid could alter quickly.