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

EGTB: win in 6 half-moves

# move score
1 Rh8 win in 5 half-moves
2 Rh2 draw
3 Rh5 draw
4 Rh6 draw
5 Rh7 draw
6 g4 loss in 2 half-moves
7 Nb4 loss in 2 half-moves
8 Nc1 loss in 2 half-moves
9 Nc3 loss in 2 half-moves
10 Rh1 loss in 2 half-moves
11 Rh4 loss in 2 half-moves