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

EGTB: win in 4 half-moves

# move score
1 Ked1 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kcd1 draw
5 Kf1 draw
6 Kc2 loss in 2 half-moves
7 Kcd2 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Ked2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves