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 Kd8 draw
3 Ke1 draw
4 Ke2 draw
5 Kf2 draw
6 Kg1 draw
7 Kg2 draw
8 Rd8 draw
9 Re1 draw
10 Re2 draw
11 Re6 draw
12 Re7 draw
13 Rf8 draw
14 Rg8 draw
15 Rh8 draw
16 Kc7 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Kb8 loss in 1 half-moves