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 Kf5 win in 7 half-moves
3 Ke5 win in 9 half-moves
4 Kf7 win in 9 half-moves
5 Kg4 win in 9 half-moves
6 Kg5 win in 9 half-moves
7 Kg8 win in 9 half-moves
8 Rh4 win in 9 half-moves
9 Ke4 win in 11 half-moves
10 Ke7 win in 11 half-moves
11 Ke8 win in 11 half-moves
12 Kg7 win in 11 half-moves
13 Ke3 draw
14 Kf3 draw
15 Kg3 draw
16 Rh2 draw
17 Rh1 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves