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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb7 draw
5 Kd2 draw
6 Kd3 draw
7 Kd4 draw
8 Ke2 draw
9 Kf2 draw
10 Kf3 draw
11 Ra5 draw
12 Rb5 draw
13 Rc5 draw
14 Rh1 draw
15 Rh2 draw
16 Rh3 draw
17 Rh4 draw
18 Kb6 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh6 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves