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

EGTB: draw

# move score
1 Rb2 draw
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Ra1 loss in 4 half-moves
8 Ke7 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kg8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rd1 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 1 half-moves