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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kc5 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Ra8 draw
7 Rd6 draw
8 Rg6 draw
9 Rh6 draw
10 Ka3 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves