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 win in 7 half-moves
3 Kb6 win in 19 half-moves
4 Ka6 draw
5 Nd6 draw
6 Kb5 loss in 4 half-moves
7 Nc5 loss in 2 half-moves
8 Nd8 loss in 2 half-moves