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 Rc4 win in 1 half-moves
3 Ka1 draw
4 Ka3 draw
5 Kb1 draw
6 Kb2 draw
7 Kb3 draw
8 Ra6 draw
9 Rb4 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 Ra3 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves