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

EGTB: draw

# move score
1 Kb2 draw
2 Kc2 draw
3 Kd2 draw
4 Kd3 draw
5 Ra3 draw
6 Rb1 draw
7 Rb2 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Rb7 draw
12 Rb8 draw
13 Kb4 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd4 loss in 2 half-moves