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

EGTB: win in 5 half-moves

# move score
1 e7 win in 4 half-moves
2 Rf8 win in 4 half-moves
3 Rg8 win in 4 half-moves
4 Rh8 win in 4 half-moves
5 Rd8 win in 6 half-moves
6 Re7 win in 6 half-moves
7 Ra8 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves