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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb2 loss in 12 half-moves
3 Ra2 loss in 12 half-moves
4 Ra3 loss in 12 half-moves
5 Ra4 loss in 10 half-moves
6 Kc2 loss in 8 half-moves
7 Ka2 loss in 6 half-moves
8 Kc1 loss in 4 half-moves
9 Ra5 loss in 2 half-moves
10 Ra6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves