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

EGTB: win in 2 half-moves

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