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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rg8 draw
3 Rh1 draw
4 Rh2 draw
5 Rh3 draw
6 Rh4 draw
7 Rh5 draw
8 Nc7 loss in 2 half-moves
9 Nd6 loss in 2 half-moves
10 Nf6 loss in 2 half-moves
11 Ng7 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rh7 loss in 2 half-moves