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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb8 win in 3 half-moves
3 Kbb7 win in 3 half-moves
4 Kcb7 win in 3 half-moves
5 Kcc7 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Kd8 win in 3 half-moves
8 Ra6 win in 3 half-moves
9 Kb5 win in 9 half-moves
10 Rb8 win in 9 half-moves
11 Ka5 win in 11 half-moves
12 Ka6 win in 11 half-moves
13 Ka7 win in 13 half-moves
14 Kbc7 win in 13 half-moves
15 Kc5 win in 13 half-moves
16 Kc6 win in 13 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 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