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

EGTB: win in 2 half-moves

# move score
1 Kb2 win in 1 half-moves
2 Rg2 win in 1 half-moves
3 Rg3 win in 1 half-moves
4 Rg6 win in 1 half-moves
5 Rg8 win in 1 half-moves
6 Ka1 loss in 2 half-moves
7 Ka2 loss in 2 half-moves
8 Kc1 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Rc1 loss in 1 half-moves
11 Rd1 loss in 1 half-moves
12 Re1 loss in 1 half-moves
13 Rf1 loss in 1 half-moves
14 Rg4 loss in 1 half-moves
15 Rg5 loss in 1 half-moves
16 Rg7 loss in 1 half-moves
17 Rh1 loss in 1 half-moves