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

EGTB: draw

# move score
1 Kb6 draw
2 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Rb4 draw
6 Kb8 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves