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

EGTB: draw

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