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 Kc4 win in 3 half-moves
3 Ka5 draw
4 Ka6 draw
5 Kc6 draw
6 Nb6 draw
7 Nc3 draw
8 Nc5 draw
9 Nb2 loss in 10 half-moves
10 Kb6 loss in 1 half-moves
11 Kc5 loss in 1 half-moves