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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Ra5 draw
8 Ra6 draw
9 Ra8 draw
10 Rb4 draw
11 Rc4 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Ra3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves