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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Ra6 draw
6 Ra7 draw
7 Ra8 draw
8 Rb4 draw
9 Rc4 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 Ra2 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves