Hannover will have to do without new signing Trevizan Martins for their Europa League qualifying matches with St. Patrick's Athletic after he picked up a thigh strain in training.
The Brazilian defender, who arrived this summer from Standard Liege, has been ruled out for at least a fortnight after tearing muscle fibres in a friendly match against Wisla Krakow on Saturday.
Hannover travel to Dublin for the first leg of the third qualifying round tie on Thursday before hosting Pat’s at the Niedersachsenstadion a week later.
Mirko Slomka's side finished seventh in the Bundesliga last season and, in addition to Felipe, they have strengthened their squad this summer with Hiroki Sakai and Szabolcs Huszti.