Sontag therefore changed course and led a low heart from his hand.
Declarer then led a low heart from his hand, putting West to the test.
A few declarers immediately led a low heart from their hand.
But Martin is not a routine player, and what he did was to lead a diamond from his hand.
Then he could have put West to the test by leading a low club from his hand.
Instead, South did better by leading the club queen from his hand.
With hardly a pause, he led a low trump from his hand, giving West a lot to think about.
If South held the king he would be unlikely to lead the suit from his hand.
He should try to guard against the possibility that West is very short in diamonds, and lead the suit from his hand.
After winning the first trick, he led the heart jack from his hand.