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

EGTB: win in 10 half-moves

# move score
1 Ra7 win in 9 half-moves
2 Kb6 win in 13 half-moves
3 Ke8 win in 13 half-moves
4 Ra1 win in 13 half-moves
5 Ra2 win in 13 half-moves
6 Ra3 win in 13 half-moves
7 Rc8 win in 15 half-moves
8 Ka6 draw
9 Ka7 draw
10 Kb8 draw
11 Kbc8 draw
12 Kdc8 draw
13 Rb8 draw
14 Kbc7 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kdc7 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves