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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb6 draw
3 Kc7 draw
4 Kcd7 draw
5 Kd6 draw
6 Kd8 draw
7 Ke7 draw
8 Ked7 draw
9 Kf7 draw
10 Kf8 draw
11 Ra1 draw
12 Rf1 draw
13 Rg1 draw
14 Rh6 draw
15 Rh7 draw
16 Rh8 draw
17 Kb5 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves