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 Rb1 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Rd1 win in 3 half-moves
5 Re1 loss in 2 half-moves
6 Rf1 loss in 2 half-moves
7 Rg2 loss in 2 half-moves
8 Rh1 loss in 2 half-moves