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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Rc1 draw
4 Rd1 draw
5 Re1 draw
6 Rf1 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 K7b7 loss in 2 half-moves
12 K7b8 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 K8b8 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves