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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Kb6 win in 5 half-moves
3 Kb8 win in 5 half-moves
4 Rb8 win in 9 half-moves
5 Kd8 win in 15 half-moves
6 Kb5 win in 17 half-moves
7 K6b7 draw
8 K6c7 draw
9 K6d7 draw
10 K8b7 draw
11 K8c7 draw
12 K8d7 draw
13 Kd6 draw
14 Ra1 draw
15 Ra6 draw
16 Ra7 draw
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves