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

EGTB: win in 4 half-moves

# move score
1 g7 win in 3 half-moves
2 Rc3 win in 3 half-moves
3 Nf6 win in 5 half-moves
4 Ng7 win in 5 half-moves
5 Rh3 win in 5 half-moves
6 Rg1 loss in 6 half-moves
7 Rg2 loss in 6 half-moves
8 Nf4 loss in 4 half-moves
9 Rf3 loss in 4 half-moves
10 Ra3 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rg5 loss in 2 half-moves