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

EGTB: win in 10 half-moves

# move score
1 Kb2 win in 9 half-moves
2 Kb1 draw
3 Kb6 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Ra8 draw
12 Rb6 draw
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves