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 Kc7 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Ra8 draw
7 Rd6 draw
8 Rg6 draw
9 Rh6 draw
10 Ka7 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves