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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Kg1 draw
7 Kg2 draw
8 Kg3 draw
9 Kh3 draw
10 Ra1 draw
11 Re1 draw
12 Rf1 draw
13 Rg1 draw
14 Rb1 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves