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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Na7 draw
3 Nb6 draw
4 Nd6 draw
5 Ne7 draw
6 Ra3 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rb8 draw
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves