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 Rh3 draw
3 Kb6 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kcd8 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ked7 loss in 2 half-moves
13 Ked8 loss in 2 half-moves
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves