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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rh8 win in 5 half-moves
3 Rc8 draw
4 Rf8 draw
5 Rb8 loss in 2 half-moves
6 Re8 loss in 2 half-moves
7 Rg8 loss in 2 half-moves