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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb3 draw
3 Nb4 draw
4 Nc1 draw
5 Nc3 draw
6 Ka3 loss in 4 half-moves
7 Ka5 loss in 2 half-moves
8 Kb4 loss in 2 half-moves