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

EGTB: draw

# move score
1 Rb3 draw
2 Rb4 draw
3 Rb7 draw
4 Rb8 draw
5 Kb5 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Kb7 loss in 1 half-moves
14 Kc7 loss in 1 half-moves
15 Kd7 loss in 1 half-moves