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 Kb3 draw
3 Kg6 draw
4 Kh6 draw
5 Ra1 draw
6 Ra6 draw
7 Ra7 draw
8 Ra8 draw
9 Rb4 draw
10 Kc3 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Kb4 loss in 1 half-moves