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 Kc7 draw
3 Kd8 draw
4 Kf2 draw
5 Kf4 draw
6 Kg2 draw
7 Kg3 draw
8 Kg4 draw
9 Rf7 draw
10 Rg8 draw
11 Rh8 draw
12 Kd7 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 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Kb8 loss in 1 half-moves