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

EGTB: draw

# move score
1 Kc6 draw
2 Kc7 draw
3 Kd7 draw
4 Ke6 draw
5 Ke7 draw
6 Ra4 draw
7 Ra5 draw
8 Ra7 draw
9 Ra8 draw
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves