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

EGTB: draw

# move score
1 Rb5 draw
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Ra3 loss in 2 half-moves
6 Rb1 loss in 2 half-moves
7 Rb2 loss in 2 half-moves
8 Re3 loss in 2 half-moves
9 Rf3 loss in 2 half-moves
10 Rg3 loss in 2 half-moves
11 Kb7 loss in 1 half-moves
12 Kb8 loss in 1 half-moves
13 Kc7 loss in 1 half-moves
14 Kd7 loss in 1 half-moves
15 Kd8 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rc3 loss in 1 half-moves
18 Rd3 loss in 1 half-moves
19 Rh3 loss in 1 half-moves