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

EGTB: draw

# move score
1 K5b6 draw
2 K7b6 draw
3 Ka4 draw
4 Ka8 draw
5 Kb4 draw
6 Kb5 draw
7 Kb7 draw
8 Kb8 draw
9 Rb6 draw
10 Rc6 draw
11 Rg6 draw
12 Rh6 draw
13 Rd6 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves