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

EGTB: draw

# move score
1 Rc7 draw
2 Rf7 draw
3 Rh7 draw
4 Ra7 loss in 2 half-moves
5 Rb7 loss in 2 half-moves
6 Rd7 loss in 2 half-moves
7 Re7 loss in 2 half-moves
8 Rg8 loss in 2 half-moves