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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rf1 win in 3 half-moves
3 Rg4 win in 3 half-moves
4 Rg5 win in 3 half-moves
5 g7 draw
6 Ne7 draw
7 Nf6 draw
8 Nh6 draw
9 Rb1 draw
10 Rg3 draw
11 Ra1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rh1 loss in 2 half-moves