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

EGTB: win in 4 half-moves

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