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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kf5 draw
3 Kf6 draw
4 Kg6 draw
5 Kh4 draw
6 Kh5 draw
7 Kh6 draw
8 Ra4 draw
9 Ra5 draw
10 Rg6 draw
11 Rh6 draw
12 Ra7 loss in 4 half-moves
13 Kf4 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Ra8 loss in 1 half-moves