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 Rb8 win in 1 half-moves
3 Rc8 win in 1 half-moves
4 Rd8 win in 1 half-moves
5 Ka3 draw
6 Ka5 draw
7 Kb3 draw
8 Kb4 draw
9 Ra5 draw
10 Ra6 draw
11 Rh8 draw
12 Ra7 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