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 Nd6 draw
3 Rb8 draw
4 Nc7 loss in 8 half-moves
5 Nf6 loss in 8 half-moves
6 Ng7 loss in 8 half-moves
7 Rc8 loss in 2 half-moves