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 Rg3 draw
5 Rg4 draw
6 Rg5 draw
7 Rg8 draw
8 Rh1 draw
9 K4b4 loss in 2 half-moves
10 K4b5 loss in 2 half-moves
11 K4d4 loss in 2 half-moves
12 K4d5 loss in 2 half-moves
13 K5b4 loss in 2 half-moves
14 K5b5 loss in 2 half-moves
15 K5d4 loss in 2 half-moves
16 K5d5 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rf1 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rg6 loss in 2 half-moves
28 Rg7 loss in 2 half-moves