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

EGTB: win in 8 half-moves

# move score
1 Kab5 win in 7 half-moves
2 Kb4 win in 15 half-moves
3 Kbb5 win in 19 half-moves
4 Kb7 win in 41 half-moves
5 Ka4 draw
6 Ka7 draw
7 Kaa6 draw
8 Kba6 draw
9 Kc7 draw
10 Kc5 loss in 2 half-moves
11 Kc6 loss in 2 half-moves