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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kb7 loss in 16 half-moves
3 Ra4 loss in 14 half-moves
4 Ka7 loss in 6 half-moves
5 Kc8 loss in 4 half-moves
6 Kc7 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves