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 Rh7 win in 1 half-moves
3 Kc8 win in 7 half-moves
4 Kd8 draw
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kcc6 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kdc6 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves