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

EGTB: draw

# move score
1 Ka3 draw
2 Ka5 draw
3 Kb3 draw
4 Kb5 draw
5 Kc3 draw
6 Kc4 draw
7 Kc5 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra8 draw
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves