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

EGTB: win in 16 half-moves

# move score
1 Rg8 win in 15 half-moves
2 Kc7 draw
3 Rb6 draw
4 Kc8 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Ke8 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kh4 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh6 loss in 2 half-moves