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

EGTB: win in 2 half-moves

# move score
1 Kg6 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Rf8 win in 1 half-moves
5 Kg7 loss in 2 half-moves
6 Kg8 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Re8 loss in 2 half-moves
10 Rg8 loss in 2 half-moves
11 Kh6 loss in 1 half-moves