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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc7 win in 7 half-moves
4 Kd7 win in 7 half-moves
5 Ra8 win in 9 half-moves
6 Kc4 win in 11 half-moves
7 Kd8 draw
8 Ra1 draw
9 Ka3 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves