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

EGTB: win in 2 half-moves

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