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 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Kg8 loss in 6 half-moves
5 Kg6 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kh6 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rf8 loss in 2 half-moves
11 Rg8 loss in 2 half-moves