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

EGTB: draw

# move score
1 Kb7 draw
2 Ra8 draw
3 Rb4 draw
4 Kc7 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Kg1 loss in 2 half-moves
8 Kg2 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves