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 Rf8 loss in 4 half-moves
3 Rh8 loss in 4 half-moves
4 Nb1 loss in 2 half-moves
5 Nb5 loss in 2 half-moves
6 Nc2 loss in 2 half-moves
7 Nc4 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Ra4 loss in 1 half-moves