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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Ke2 draw
3 Kf2 draw
4 Kg2 draw
5 Kg3 draw
6 Ra1 draw
7 Ra2 draw
8 Ra3 draw
9 Ra7 draw
10 Rc4 draw
11 Kb8 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Ka7 loss in 1 half-moves