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 Kd2 draw
3 Kd3 draw
4 Ke2 draw
5 Kf2 draw
6 Kf3 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Ra4 draw
11 Ra8 draw
12 Rb5 draw
13 Kb4 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kcd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ked4 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves