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 Kb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kd8 win in 15 half-moves
5 Kb8 win in 33 half-moves
6 Ka5 draw
7 Ka7 draw
8 Kab7 draw
9 Kc7 loss in 2 half-moves
10 Kcb7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ra7 loss in 2 half-moves