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

EGTB: draw

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