Lam started on the left wing in Bordeaux-Bègles’ 25-16 quarterfinals victory over Clermont on Sunday (Monday NZ time), with Tameifuna adding his burly frame from the bench.
They will visit round-robin winners Toulouse on Sunday (Monday NZ time), having qualified for the semifinals for the first time since the club was formed in 2006 after the merger of two long-standing Bordeaux clubs.
No side from Bordeaux have won a French championship since Bègles triumphed in 1991, captained by current French Rugby Federation president and former national team coach Bernard Laporte.