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 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Ra5 draw
8 Ra6 draw
9 Rb4 draw
10 Rc4 draw
11 Re4 draw
12 Rf4 draw
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves