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 Ka7 draw
5 Kb7 draw
6 Kb8 draw
7 Ra5 draw
8 Ra7 draw
9 Rb6 draw
10 Rf6 draw
11 Rg6 draw
12 Rh6 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves