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

EGTB: draw

# move score
1 f7 draw
2 Rd8 draw
3 Rf7 draw
4 Ra8 loss in 2 half-moves
5 Rb8 loss in 2 half-moves
6 Rc8 loss in 2 half-moves
7 Re8 loss in 2 half-moves
8 Rg8 loss in 2 half-moves
9 Rh8 loss in 2 half-moves