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 Rf8 win in 1 half-moves
3 Rg3 win in 1 half-moves
4 Rg1 win in 3 half-moves
5 Rg2 win in 3 half-moves
6 Rg4 win in 3 half-moves
7 Ra8 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rg5 loss in 2 half-moves
12 Rg6 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh8 loss in 2 half-moves