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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kc7 win in 9 half-moves
3 Kd7 win in 9 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kd8 draw
7 Kg7 draw
8 Re8 draw
9 Rg7 draw
10 Kf5 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Kh7 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves