Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka4 loss in 12 half-moves
3 Ka6 loss in 12 half-moves
4 Kb5 loss in 12 half-moves
5 Kb6 loss in 12 half-moves
6 Nc5 loss in 2 half-moves
7 Nd6 loss in 2 half-moves
8 Nd8 loss in 2 half-moves