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 Rd8 win in 1 half-moves
3 Ka6 draw
4 Ra1 draw
5 Ra2 draw
6 Rb8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Ka7 loss in 10 half-moves
11 Kb6 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves