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 Ka8 draw
3 Kba7 draw
4 Kbb7 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra5 draw
9 Rb4 draw
10 Rg4 draw
11 Kaa7 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Ka5 loss in 1 half-moves