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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ra5 draw
3 Kb4 loss in 10 half-moves
4 Ra6 loss in 8 half-moves
5 Ra7 loss in 8 half-moves
6 Rb8 loss in 6 half-moves
7 Ka3 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Ka5 loss in 1 half-moves
15 Rh8 loss in 1 half-moves