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 Rg5 draw
7 Rg6 draw
8 Rg7 draw
9 Rg8 draw
10 Rh1 draw
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kcd2 loss in 2 half-moves
17 Kcd3 loss in 2 half-moves
18 Kcd4 loss in 2 half-moves
19 Ke2 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ked2 loss in 2 half-moves
22 Ked3 loss in 2 half-moves
23 Ked4 loss in 2 half-moves
24 Kf2 loss in 2 half-moves
25 Kf3 loss in 2 half-moves
26 Kf4 loss in 2 half-moves
27 Rf1 loss in 2 half-moves
28 Rg2 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rg4 loss in 2 half-moves