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

EGTB: draw

# move score
1 Na4 draw
2 Ra1 draw
3 Ra3 draw
4 Ra7 draw
5 Ra8 draw
6 Nc4 loss in 2 half-moves
7 Nd1 loss in 2 half-moves
8 Nd3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves