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

EGTB: win in 3 half-moves

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