Singleton Diamond

Singleton Diamond

A 9 7 4
Q J 7 5
8
A Q 9 6
N
W   E
 
S
5 3 2
K 10 4
A K 9 6 4
K 4

Dealer:

West

W N E S
1 Pass 1 Pass
1 Pass 3NT End

An opening 4-4-4-1 hand with a singleton diamond starts with 1.

If partner bids 1, we rebid 1. Partner might think we have five clubs, but it does not matter, because a game-going responding hand with no major will bid 3NT.