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 Re1 draw
6 Rg3 draw
7 Rg4 draw
8 Rg5 draw
9 Rg7 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kcd3 loss in 2 half-moves
16 Kcd4 loss in 2 half-moves
17 Kcd5 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ked3 loss in 2 half-moves
21 Ked4 loss in 2 half-moves
22 Ked5 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Kf4 loss in 2 half-moves
25 Kf5 loss in 2 half-moves
26 Rf1 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