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 K8d7 win in 3 half-moves
3 K7b8 win in 5 half-moves
4 K8b8 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Ra6 win in 5 half-moves
7 Rb8 win in 5 half-moves
8 K7b7 draw
9 K7d7 draw
10 K7d8 draw
11 K8d8 draw
12 Kc6 draw
13 Kd6 draw
14 Ra4 draw
15 Ra5 draw
16 Ra7 draw
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves