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 Rd4 draw
3 Re4 draw
4 Rf4 draw
5 Rg4 draw
6 Ka5 loss in 2 half-moves
7 Ka8 loss in 2 half-moves
8 Kaa7 loss in 2 half-moves
9 Kab6 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kba7 loss in 2 half-moves
13 Kbb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves