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 Kd6 draw
4 Ke5 draw
5 Ke6 draw
6 Ra5 draw
7 Rb4 draw
8 Rb6 draw
9 Rc5 draw
10 Kc4 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves