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

EGTB: win in 6 half-moves

# move score
1 Rg8 win in 5 half-moves
2 Kb8 draw
3 Kc8 draw
4 Kd7 draw
5 Kd8 draw
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Rh1 draw
12 Rh2 draw
13 Rh7 draw
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rh3 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