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

EGTB: draw

# move score
1 Kd7 draw
2 Kd8 draw
3 Ke7 draw
4 Kf7 draw
5 Kf8 draw
6 Ra1 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rb8 draw
11 Rc8 draw
12 Rd8 draw
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves