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 Ra1 draw
3 Rc1 draw
4 Rd1 draw
5 Rg6 draw
6 Rg7 draw
7 Rg8 draw
8 Rh1 draw
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kcc3 loss in 2 half-moves
15 Kcd4 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kdc3 loss in 2 half-moves
19 Kdd4 loss in 2 half-moves
20 Ke2 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rg2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rg4 loss in 2 half-moves
28 Rg5 loss in 2 half-moves