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

EGTB: draw

# move score
1 Kc5 draw
2 Kc6 draw
3 Ra1 draw
4 Ra2 draw
5 Ra3 draw
6 Ra4 draw
7 Ra6 draw
8 Ra7 draw
9 Rc5 draw
10 Kc4 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb5 loss in 2 half-moves