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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Ra7 loss in 2 half-moves
4 Rc8 loss in 2 half-moves
5 Rd7 loss in 2 half-moves
6 Re7 loss in 2 half-moves
7 Rf7 loss in 2 half-moves
8 Rg7 loss in 2 half-moves
9 Rh7 loss in 2 half-moves