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

EGTB: win in 6 half-moves

# move score
1 Rh8 win in 5 half-moves
2 Kf4 draw
3 Kh6 draw
4 Ra8 draw
5 Rb8 draw
6 Rc8 draw
7 Rd8 draw
8 Rf6 draw
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Kfg4 loss in 2 half-moves
12 Kfg5 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Khg4 loss in 2 half-moves
15 Khg5 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Ke6 loss in 1 half-moves
20 Kf6 loss in 1 half-moves
21 Kfg6 loss in 1 half-moves
22 Khg6 loss in 1 half-moves