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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Ka7 draw
3 Rb7 draw
4 Rd7 draw
5 Re5 draw
6 Re8 draw
7 Rf7 draw
8 Rg7 draw
9 Rh7 draw
10 Ra7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Kb7 loss in 1 half-moves