Metz are from a higher league division, but they are winless for 10 successive games now.
As for FC Rouen, they just come from French Championnat Amateur Group, but they are in good form lately.
Besides, Metz are now under relegation pressure in the league, so they may not pay much attention to the Cup fixtures. Besides, now the change of AH line is against Metz.
So FC Rouen are expected to remain unbeaten in this home match.