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

EGTB: win in 4 half-moves

# move score
1 Kh8 win in 3 half-moves
2 Kfg6 draw
3 Kfg7 draw
4 Kfg8 draw
5 Khg6 draw
6 Khg7 draw
7 Khg8 draw
8 Rg8 draw
9 Rh8 draw
10 Ke6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kh6 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 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves