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

EGTB: win in 2 half-moves

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