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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rg3 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Kg7 loss in 2 half-moves
5 Kh7 loss in 2 half-moves
6 Rb1 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Rg2 loss in 2 half-moves
10 Rg5 loss in 2 half-moves
11 Rg6 loss in 2 half-moves
12 Rg7 loss in 2 half-moves
13 Rh1 loss in 2 half-moves
14 Kg8 loss in 1 half-moves
15 Rc1 loss in 1 half-moves
16 Rf1 loss in 1 half-moves
17 Rg8 loss in 1 half-moves