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 K7d7 draw
3 K7d8 draw
4 K8b7 draw
5 K8b8 draw
6 K8d7 draw
7 K8d8 draw
8 Ra6 draw
9 Rc6 draw
10 Rd6 draw
11 Rg6 draw
12 Rh1 draw
13 Rh7 draw
14 Rh8 draw
15 K7b7 loss in 2 half-moves
16 K7b8 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves
23 Rh4 loss in 2 half-moves
24 Rh5 loss in 2 half-moves
25 Kd6 loss in 1 half-moves