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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Kc6 win in 3 half-moves
3 Kc8 win in 3 half-moves
4 Kc7 win in 5 half-moves
5 Ka5 draw
6 Ka8 draw
7 Kbb6 draw
8 Ra8 draw
9 Kab6 loss in 2 half-moves
10 Kb5 loss in 2 half-moves