Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ka7 draw
3 Ka8 draw
4 Ra6 draw
5 Rc6 draw
6 Rd6 draw
7 Re6 draw
8 Rf6 draw
9 Rg2 draw
10 Rg7 draw
11 Rg8 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc7 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rg5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves