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 Rb5 draw
4 Rb6 draw
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rc1 loss in 2 half-moves