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 Kc5 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Ra1 win in 1 half-moves
5 Ra2 win in 1 half-moves
6 Ra3 win in 1 half-moves
7 Ra5 win in 1 half-moves
8 K6b7 loss in 2 half-moves
9 K6c7 loss in 2 half-moves
10 K6d7 loss in 2 half-moves
11 K8b7 loss in 2 half-moves
12 K8c7 loss in 2 half-moves
13 K8d7 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves