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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kc7 draw
5 Kb7 loss in 44 half-moves
6 Ka5 loss in 40 half-moves
7 Ka6 loss in 40 half-moves
8 Ka7 loss in 38 half-moves