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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Na7 draw
3 Nb6 draw
4 Nd6 draw
5 Ne7 draw
6 Rf8 draw
7 Re8 loss in 2 half-moves
8 Rh8 loss in 2 half-moves