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