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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Rg6 win in 1 half-moves
3 Rg7 win in 1 half-moves
4 Rd1 win in 3 half-moves
5 Rh1 loss in 4 half-moves
6 Ra1 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rc1 loss in 2 half-moves
9 Re1 loss in 2 half-moves
10 Rf1 loss in 2 half-moves
11 Rg2 loss in 2 half-moves
12 Rg3 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg8 loss in 2 half-moves