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 Ra7 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rb8 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves