2020 - Position 215

XGID=--BB-bD-B---aB--bbccB-bA--:1:1:1:53:4:1:0:5:10

Match Play. Red leads 4-1 (post-Crawford). How should Red play 53?

For money the correct play would be 20/12* but at this match score that is just asking to be gammoned.

Either 23/20, 6/1 or 23/15 is OK. According to the rollouts the former is marginally better but it is very close.