The American Express Community Stadium could host a European Rugby Champions Cup semi-final on the weekend of the 18th and 19th April.
It would be the second rugby game that the stadium has hosted in as many months following the Under-20 Six Nations match between England and France.
For the game to be played at the Amex, Wasps must beat Toulon in their quarter-final tie at the Stade Felix Mayol on 5th April.
The London side would then have home country advantage and play the winners of the Leinster v Bath tie, which takes place at the Aviva Stadium in Dublin on 4th April.
A Wasps defeat would mean that Toulon would play their semi-final fixture against either Leinster or Bath at the Stade Velodrome in Marseille instead.
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The European Rugby Champions Cup semi-final draw is as follows:
Champions Cup semi-finals - 18/19th April
RC Toulon v winners of Leinster Rugby v Bath Rugby
Stade Vélodrome, Marseille (capacity: 62,895)
Wasps v winners of Leinster Rugby v Bath Rugby
American Express Community Stadium, Brighton (capacity: 30,750)
ASM Clermont Auvergne v winners Racing Metro 92 v Saracens
Stade Geoffroy-Guichard, Saint-Etienne (capacity: 39,774)
Northampton Saints v winners Racing Metro 92 v Saracens
Ricoh Arena, Coventry (capacity: 33,105)