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

EGTB: draw

# move score
1 Ka4 draw
2 Ka6 draw
3 Kb4 draw
4 Kb6 draw
5 Kc4 draw
6 Kc5 draw
7 Kc6 draw
8 Ra1 draw
9 Ra3 draw
10 Ra4 draw
11 Ra2 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves