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 Re8 win in 1 half-moves
3 Ka7 draw
4 Kb6 draw
5 Kb8 draw
6 Kc7 draw
7 Ra4 draw
8 Ra6 draw
9 Ra7 draw
10 Rb8 draw
11 Rf8 draw
12 Rh8 draw
13 Ka6 loss in 20 half-moves
14 Kc8 loss in 4 half-moves
15 Kc6 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves