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

EGTB: win in 4 half-moves

# move score
1 Kg4 win in 3 half-moves
2 Kg5 win in 3 half-moves
3 Khg6 win in 3 half-moves
4 Rf8 win in 3 half-moves
5 Kf7 win in 5 half-moves
6 Kh4 win in 5 half-moves
7 Kh7 win in 5 half-moves
8 Rc8 win in 5 half-moves
9 Rd8 win in 5 half-moves
10 Re8 win in 5 half-moves
11 Rg8 win in 5 half-moves
12 Kf8 win in 9 half-moves
13 Kg8 win in 9 half-moves
14 Kf6 win in 11 half-moves
15 Kgg6 draw
16 Kgh6 draw
17 Khh6 draw
18 Rh7 draw
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rh6 loss in 2 half-moves