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

EGTB: win in 2 half-moves

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