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

EGTB: win in 10 half-moves

# move score
1 Ka6 win in 9 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kd7 draw
6 Ra7 draw
7 Kb8 loss in 2 half-moves
8 Kbc6 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kcc6 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Rb8 loss in 2 half-moves