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 Kg5 draw
3 Kgg7 draw
4 Kh5 draw
5 Kh6 draw
6 Khg7 draw
7 Khh7 draw
8 Ra8 draw
9 Kf5 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg7 loss in 2 half-moves