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

EGTB: draw

# move score
1 Rb3 draw
2 Rb8 draw
3 Rb4 loss in 20 half-moves
4 Kd5 loss in 10 half-moves
5 Ra5 loss in 4 half-moves
6 Kb4 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc6 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves