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

EGTB: win in 10 half-moves

# move score
1 Kb6 win in 9 half-moves
2 Kb2 draw
3 Kb7 draw
4 Kb8 draw
5 Kc8 draw
6 Kd7 draw
7 Kd8 draw
8 Ra1 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Ra8 draw
13 Rb2 draw
14 Kb1 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd1 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves