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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Rb1 loss in 2 half-moves
4 Rd1 loss in 2 half-moves
5 Re1 loss in 2 half-moves
6 Rf1 loss in 2 half-moves
7 Rh1 loss in 2 half-moves
8 g3 loss in 1 half-moves