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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Nd6 win in 7 half-moves
3 Rh8 win in 11 half-moves
4 Nf6 draw
5 g4 loss in 10 half-moves
6 g3 loss in 8 half-moves
7 Nc7 loss in 8 half-moves
8 Ng7 loss in 6 half-moves
9 Rf8 loss in 2 half-moves
10 Rg3 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rg7 loss in 2 half-moves