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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ra1 win in 7 half-moves
3 Rc1 win in 7 half-moves
4 Nf1 loss in 2 half-moves
5 Nf3 loss in 2 half-moves
6 Ng4 loss in 2 half-moves
7 Rd1 loss in 2 half-moves
8 Re1 loss in 2 half-moves
9 Rf1 loss in 2 half-moves
10 Rg1 loss in 2 half-moves