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 K8c7 win in 5 half-moves
5 K8d7 win in 5 half-moves
6 Rb8 win in 5 half-moves
7 Kb5 win in 7 half-moves
8 Kc5 win in 7 half-moves
9 K6b7 draw
10 K6c7 draw
11 K6d7 draw
12 Kd5 draw
13 Kd6 draw
14 Kd8 draw
15 Ra1 draw
16 Ra2 draw
17 Ra6 draw
18 Ra7 draw
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves