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 Ke2 draw
7 Ke3 draw
8 Ke4 draw
9 Kf2 draw
10 Kf4 draw
11 Kg2 draw
12 Kg3 draw
13 Kg4 draw
14 Rc1 draw
15 Rd1 draw
16 Re1 draw
17 Rf2 draw
18 Rg1 draw
19 Rh1 draw
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves