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

EGTB: win in 4 half-moves

# move score
1 K8b7 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 K8d7 win in 7 half-moves
6 Kd8 win in 9 half-moves
7 Ra8 win in 9 half-moves
8 K8c7 win in 11 half-moves
9 Kd6 win in 11 half-moves
10 Ra1 draw
11 K6b7 loss in 2 half-moves
12 K6c7 loss in 2 half-moves
13 K6d7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves