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 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc5 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kcc7 loss in 2 half-moves
7 Kcd7 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kdc7 loss in 2 half-moves
10 Kdd7 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 Rd7 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