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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kg1 draw
3 Kg2 draw
4 Kh3 draw
5 Ra1 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rf1 draw
10 Kg3 loss in 2 half-moves
11 Rg1 loss in 2 half-moves