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

EGTB: draw

# move score
1 Kb7 draw
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Kb6 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kcc7 loss in 2 half-moves
9 Kcd7 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kdc7 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Kb5 loss in 1 half-moves