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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Ka6 draw
3 Kd3 draw
4 Kd4 draw
5 Ke3 draw
6 Kf3 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Rb4 draw
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Ka8 loss in 1 half-moves