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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kg6 loss in 10 half-moves
3 Kg4 loss in 2 half-moves
4 Kg5 loss in 2 half-moves
5 Kh4 loss in 2 half-moves
6 Re6 loss in 2 half-moves
7 Rf6 loss in 2 half-moves
8 Rg6 loss in 2 half-moves
9 Rh7 loss in 2 half-moves
10 Rh8 loss in 2 half-moves
11 Rb6 loss in 1 half-moves
12 Rc6 loss in 1 half-moves
13 Rd6 loss in 1 half-moves