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 Kc5 draw
3 Kc6 draw
4 Ke4 draw
5 Ke5 draw
6 Ra4 draw
7 Rc6 draw
8 Rd6 draw
9 Rf6 draw
10 Kd4 loss in 16 half-moves
11 Ra5 loss in 12 half-moves
12 Kc4 loss in 10 half-moves
13 Kd6 loss in 8 half-moves
14 Ke6 loss in 6 half-moves
15 Ra3 loss in 6 half-moves
16 Ra7 loss in 6 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves
22 Ra8 loss in 1 half-moves