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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kg5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh5 draw
9 Kh7 draw
10 Re8 draw
11 Rg8 draw
12 Rh7 draw
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves