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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Ra1 win in 5 half-moves
3 Ra3 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Re4 draw
8 Rg4 draw
9 Rh4 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc7 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Kd7 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Rf4 loss in 2 half-moves