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

EGTB: draw

# move score
1 Kc1 draw
2 Kc3 draw
3 Kd1 draw
4 Kd3 draw
5 Ke1 draw
6 Ke2 draw
7 Ke3 draw
8 Ra1 draw
9 Ra3 draw
10 Rb2 loss in 8 half-moves
11 Ra5 loss in 6 half-moves
12 Ra7 loss in 6 half-moves
13 Kc2 loss in 4 half-moves
14 Ra6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Ra4 loss in 1 half-moves