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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 g5 win in 5 half-moves
3 Re1 win in 5 half-moves
4 Nf1 win in 9 half-moves
5 Rg1 loss in 8 half-moves
6 Rf1 loss in 4 half-moves
7 Nf3 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rd1 loss in 2 half-moves