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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kcd7 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Rd7 win in 3 half-moves
7 Kcc7 draw
8 Kdd7 draw
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kdc7 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves