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

EGTB: win in 4 half-moves

# move score
1 g7 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Rg2 win in 5 half-moves
4 Rg3 win in 5 half-moves
5 Rh1 win in 5 half-moves
6 Rf1 loss in 4 half-moves
7 Ra1 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rd1 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rg5 loss in 2 half-moves