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 Kb1 draw
3 Kb2 draw
4 Ra5 draw
5 Ra6 draw
6 Ra7 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rg4 draw
11 Rh4 draw
12 Ka1 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rf4 loss in 1 half-moves