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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Ra1 draw
3 Rb1 draw
4 Rc1 draw
5 Re1 draw
6 Rf1 draw
7 Rh1 loss in 2 half-moves