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

EGTB: win in 2 half-moves

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