Bay Oval ground staff have done their best but failed to help a trans-Tasman T20 clash be completed. (Andrew Cornaga/AAP PHOTOS)Bay Oval ground staff have done their best but failed to help a trans-Tasman T20 clash be completed. (Andrew Cornaga/AAP PHOTOS) Credit: AAPAustralia have retained the Chappell-Hadlee Trophy after rain washed out the second Twenty20 International against New Zealand at Mount Maunganui. "But the weather won out today." Australia had called Sean Abbott in for Ben Dwarshuis in the only change to the XI that won the series opener.