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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Khg6 draw
3 Rf8 draw
4 Kg4 loss in 2 half-moves
5 Kg5 loss in 2 half-moves
6 Kgg6 loss in 2 half-moves
7 Kgh6 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Khh6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Kf6 loss in 1 half-moves
18 Kf7 loss in 1 half-moves
19 Kf8 loss in 1 half-moves