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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Kc5 win in 3 half-moves
3 Kb5 draw
4 Ka6 loss in 40 half-moves
5 Kc6 loss in 18 half-moves
6 Kc7 loss in 18 half-moves
7 Kb7 loss in 12 half-moves
8 Ka7 loss in 10 half-moves