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

EGTB: win in 18 half-moves

# move score
1 Rh8 win in 17 half-moves
2 Rh1 draw
3 Rh4 draw
4 Rh5 draw
5 Rh6 draw
6 Rh7 draw
7 g4 loss in 2 half-moves
8 Rh2 loss in 2 half-moves