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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 Kd6 win in 1 half-moves
4 Kb8 draw
5 Kcc8 draw
6 Re1 draw
7 Re2 draw
8 Re3 draw
9 Re7 draw
10 Rf8 draw
11 Rg8 draw
12 Rh8 draw
13 Kdc8 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kb7 loss in 1 half-moves
16 Kcd7 loss in 1 half-moves
17 Kdd7 loss in 1 half-moves
18 Re4 loss in 1 half-moves
19 Re5 loss in 1 half-moves
20 Re6 loss in 1 half-moves