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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Kf2 draw
3 Kf4 draw
4 Kg2 draw
5 Kg3 draw
6 Kg4 draw
7 Rb8 draw
8 Rf6 draw
9 Rf7 draw
10 Rg8 draw
11 Rh8 draw
12 Ka7 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Kb8 loss in 1 half-moves