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

EGTB: win in 6 half-moves

# move score
1 Kbb7 win in 5 half-moves
2 Kbc8 win in 7 half-moves
3 Kc6 win in 7 half-moves
4 Kd7 win in 7 half-moves
5 Ka7 win in 9 half-moves
6 Ka8 win in 9 half-moves
7 Kb6 win in 9 half-moves
8 Kcb7 win in 9 half-moves
9 Kcc8 win in 9 half-moves
10 Kd8 win in 9 half-moves
11 Kd6 loss in 2 half-moves