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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kc7 win in 5 half-moves
3 Rh8 win in 9 half-moves
4 Ra8 win in 11 half-moves
5 Kg5 draw
6 Kh5 draw
7 Re8 draw
8 Rf8 draw
9 Kb6 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Kb5 loss in 1 half-moves
20 Kc5 loss in 1 half-moves
21 Kd5 loss in 1 half-moves