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 Rd1 win in 3 half-moves
3 Ra1 draw
4 Rc1 draw
5 Re1 draw
6 Rf1 draw
7 Rg3 draw
8 Rg4 draw
9 Rg5 draw
10 Rg7 draw
11 K3b4 loss in 2 half-moves
12 K3c4 loss in 2 half-moves
13 K3d4 loss in 2 half-moves
14 K5b4 loss in 2 half-moves
15 K5c4 loss in 2 half-moves
16 K5d4 loss in 2 half-moves
17 Kb2 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kb5 loss in 2 half-moves
20 Kb6 loss in 2 half-moves
21 Kc2 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd3 loss in 2 half-moves
25 Kd5 loss in 2 half-moves
26 Kd6 loss in 2 half-moves
27 Rg2 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh1 loss in 2 half-moves