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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke4 draw
6 Ke5 draw
7 Kf3 draw
8 Kf5 draw
9 Kg3 draw
10 Kg5 draw
11 Rg3 draw
12 Rg5 draw
13 Rg6 draw
14 Rg7 draw
15 Rh4 draw
16 Ke3 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves