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 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Ra5 draw
6 Rb6 draw
7 Rc6 draw
8 Rd6 draw
9 Re6 draw
10 Rf6 draw
11 Kb4 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rh6 loss in 2 half-moves