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 Ka7 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Ra3 draw
8 Ra4 draw
9 Ra7 draw
10 Ra8 draw
11 Rb6 draw
12 Rf6 draw
13 Rg6 draw
14 Rh6 draw
15 Kb8 loss in 24 half-moves
16 Ka8 loss in 22 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 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