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

EGTB: draw

# move score
1 Nb6 draw
2 Nc7 draw
3 Ra1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb7 draw
7 Rb8 draw
8 Rc1 draw
9 Rd1 draw
10 Re1 draw
11 Rf1 draw
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves