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 Ka6 win in 3 half-moves
3 Kbb7 win in 3 half-moves
4 Kbc6 win in 3 half-moves
5 Ka7 win in 5 half-moves
6 Kcc6 win in 7 half-moves
7 Rb8 draw
8 Ka5 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kcb7 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves