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 Re2 draw
3 Re3 draw
4 Re4 draw
5 Re7 draw
6 Rh8 draw
7 Kb6 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kcc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kcd7 loss in 1 half-moves
13 Kdc8 loss in 1 half-moves
14 Kdd7 loss in 1 half-moves
15 Ke7 loss in 1 half-moves
16 Re1 loss in 1 half-moves
17 Re5 loss in 1 half-moves
18 Re6 loss in 1 half-moves
19 Rf8 loss in 1 half-moves
20 Rg8 loss in 1 half-moves