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

EGTB: draw

# move score
1 Rb7 draw
2 Kg5 loss in 2 half-moves
3 Kg6 loss in 2 half-moves
4 Kg7 loss in 2 half-moves
5 Kh5 loss in 2 half-moves
6 Ra7 loss in 2 half-moves
7 Re7 loss in 2 half-moves
8 Rf7 loss in 2 half-moves
9 Rg7 loss in 2 half-moves
10 Rh8 loss in 2 half-moves
11 Rc7 loss in 1 half-moves
12 Rd7 loss in 1 half-moves