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 Ka2 draw
3 Ra2 draw
4 Ra5 draw
5 Ra6 draw
6 Ra7 draw
7 Kb2 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra8 loss in 2 half-moves