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

EGTB: draw

# move score
1 b5 draw
2 Ra1 draw
3 Rb2 draw
4 Rb3 draw
5 Rc1 draw
6 Rd1 draw
7 Re1 loss in 2 half-moves
8 Rf1 loss in 2 half-moves
9 Rg1 loss in 2 half-moves
10 Rh1 loss in 2 half-moves