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

EGTB: draw

# move score
1 Nb7 draw
2 Rb8 draw
3 Rc1 draw
4 Rc6 draw
5 Rc7 draw
6 Ra8 loss in 4 half-moves
7 Nc6 loss in 2 half-moves
8 Ne6 loss in 2 half-moves
9 Nf7 loss in 2 half-moves
10 Rc2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc5 loss in 2 half-moves