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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc8 draw
6 Kd8 draw
7 Ke8 draw
8 Kg7 draw
9 Kg8 draw
10 Ra6 draw
11 Rc6 draw
12 Rg6 draw
13 Rh1 draw
14 Rh2 draw
15 Rh7 draw
16 Rh8 draw
17 Kc6 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves