Munster and Ospreys shared the spoils 13 points apiece in Thomond Park Stadium.
It was 6-6 at the break with tries in the second half first from Damien Varley
and then form Ospreys number 8 Jonathan Thomas.
Munster: F Jones; D Howlett, C Laulala, J Downey, D Hurley; R O'Gara, C Sheridan; D Kilcoyne, D Varley, S Archer; I Nagle, B Holland; P Butler, T O'Donnell, J Coughlan. Replacements: M Sherry, W du Preez, BJ Botha, D Foley, S Dougall, D Williams, I Keatley, I Dineen.
Ospreys: R Fussell; T Habberfield, J Spratt, A Beck, T Isaacs; M Morgan, K Fotuali'i; D Jones, S Baldwin, C Griffiths; A Wyn Jones capt, L Peers; J King, S Lewis, J Thomas. Replacements: M Dwyer, M Thomas, D Arhip, I Gough, D Baker, A Ellis, R Webb, T Grabham.
Referee: Nigel Owens.