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

EGTB: win in 2 half-moves

# move score
1 f5 win in 1 half-moves
2 Ra6 win in 1 half-moves
3 Rc8 loss in 3 half-moves
4 Rf8 loss in 3 half-moves
5 Rg8 loss in 3 half-moves
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra5 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Ra4 loss in 1 half-moves