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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kc4 win in 1 half-moves
3 Kd4 win in 1 half-moves
4 Ra4 win in 1 half-moves
5 Ra1 win in 5 half-moves
6 Ra2 win in 5 half-moves
7 Ra3 win in 5 half-moves
8 Ra8 win in 5 half-moves
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb5 loss in 2 half-moves