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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Rg2 win in 1 half-moves
4 Rg5 win in 1 half-moves
5 Rg6 win in 1 half-moves
6 Rg7 win in 1 half-moves
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh3 loss in 2 half-moves