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

EGTB: draw

# move score
1 Ke7 draw
2 Ke8 draw
3 Rb8 draw
4 Rc1 draw
5 Rc2 draw
6 Rc3 draw
7 Rc4 draw
8 Rc5 draw
9 Rc7 draw
10 Kc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc6 loss in 2 half-moves