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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kg4 draw
3 Kg7 draw
4 Kgg6 draw
5 Kgh6 draw
6 Kh4 draw
7 Kh5 draw
8 Kh8 draw
9 Khg6 draw
10 Khh6 draw
11 Rf8 draw
12 Rh8 draw
13 Kf4 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Ra8 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
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves