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

EGTB: win in 6 half-moves

# move score
1 Kc6 win in 5 half-moves
2 Kc7 win in 5 half-moves
3 Kab5 win in 9 half-moves
4 Kb4 win in 11 half-moves
5 Kbb5 win in 13 half-moves
6 Kc5 win in 13 half-moves
7 Kb7 win in 31 half-moves
8 Ka4 draw
9 Ka7 draw
10 Kaa6 draw
11 Kba6 draw