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

EGTB: draw

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