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 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Kh6 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Ra8 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rg8 loss in 2 half-moves