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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Re1 win in 1 half-moves
4 Rf1 win in 1 half-moves
5 Rg7 win in 1 half-moves
6 Ka3 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh1 loss in 2 half-moves