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

EGTB: win in 6 half-moves

# move score
1 Kab7 win in 5 half-moves
2 Kb5 win in 9 half-moves
3 Kb8 win in 9 half-moves
4 Kc5 win in 11 half-moves
5 Ka7 win in 25 half-moves
6 Kb6 win in 27 half-moves
7 Kc7 draw
8 Kcb7 draw
9 Kd7 draw
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves