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 Kd6 draw
4 Kd7 draw
5 Ra6 draw
6 Rb1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb4 draw
10 Rb5 draw
11 Rb7 draw
12 Rb8 draw
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves