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

EGTB: win in 2 half-moves

# move score
1 Kab5 win in 1 half-moves
2 Kbb5 win in 1 half-moves
3 Kc5 win in 1 half-moves
4 Kab3 win in 3 half-moves
5 Kbb3 win in 3 half-moves
6 Kaa3 loss in 2 half-moves
7 Kba3 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kaa5 loss in 1 half-moves
11 Kba5 loss in 1 half-moves