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

EGTB: win in 10 half-moves

# move score
1 Kc3 win in 9 half-moves
2 Kc4 win in 9 half-moves
3 Kab4 win in 11 half-moves
4 Kb5 win in 11 half-moves
5 Kbb4 win in 11 half-moves
6 Ka5 win in 13 half-moves
7 Kaa3 win in 13 half-moves
8 Kb2 win in 13 half-moves
9 Kc2 win in 13 half-moves
10 Ka2 win in 15 half-moves
11 Kba3 win in 15 half-moves