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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Kb8 win in 7 half-moves
3 Ra5 win in 7 half-moves
4 Ra1 win in 11 half-moves
5 Ra3 win in 11 half-moves
6 Kc6 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Ra2 draw
11 Ra6 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Kd7 loss in 1 half-moves
21 Kd8 loss in 1 half-moves