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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kab7 win in 3 half-moves
3 Kb6 win in 5 half-moves
4 Kc8 win in 27 half-moves
5 Ka5 draw
6 Kaa7 draw
7 Kba7 loss in 2 half-moves
8 Kbb7 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Ra7 loss in 2 half-moves