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 Rg1 win in 1 half-moves
3 Rg2 win in 1 half-moves
4 Rg3 win in 1 half-moves
5 Rg6 win in 1 half-moves
6 Rg7 draw
7 Kh7 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Kg7 loss in 1 half-moves
15 Rg5 loss in 1 half-moves