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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kc7 draw
5 Ra4 draw
6 Ra8 draw
7 Rb6 draw
8 Rf6 draw
9 Rg6 draw
10 Rh6 draw
11 Ra7 loss in 16 half-moves
12 Kb8 loss in 10 half-moves
13 Ka7 loss in 8 half-moves
14 Ka8 loss in 6 half-moves
15 Kc8 loss in 6 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves