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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Kf5 draw
3 Kf6 draw
4 Kgg6 draw
5 Kgh5 draw
6 Kh7 draw
7 Khh5 draw
8 Rd8 draw
9 Rg8 draw
10 Kf4 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Khg6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves