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 Ra6 draw
3 Ra7 draw
4 Rc4 draw
5 Rd4 draw
6 Re4 draw
7 Rf4 draw
8 Ka2 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves