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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rc4 draw
3 Kb4 loss in 10 half-moves
4 Ka5 loss in 8 half-moves
5 Kb6 loss in 8 half-moves
6 Kc4 loss in 8 half-moves
7 Rb4 loss in 8 half-moves
8 Ra5 loss in 6 half-moves
9 Ka6 loss in 4 half-moves
10 Kc5 loss in 4 half-moves
11 Kc6 loss in 4 half-moves
12 Rd4 loss in 4 half-moves
13 Re4 loss in 4 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rf4 loss in 1 half-moves
20 Rg4 loss in 1 half-moves
21 Rh4 loss in 1 half-moves