Toulouse face a ‘mountainous’ challenge against the premier club side in Europe when they face Leinster in the semi-final of the Champions Cup, according to double World Cup-winning All Black Jerome Kaino.

Toulouse overcame the first-half dismissal of Zack Holmes to beat Racing 92 22-21 in a thrilling Heineken Champions Cup quarter-final.

Joe Tomane will make his first European start for Leinster against Toulouse in Sunday's Heineken Champions Cup clash.

Munster will go into Champions Cup semi-final weekend as the only one of Europe’s last four with a win behind them after their opponents this Saturday – Racing 92 – were defeated by Toulouse.