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 Ra1 draw
7 Rb1 draw
8 Rc1 draw
9 Rd1 draw
10 Re3 draw
11 Re4 draw
12 Re5 draw
13 Re6 draw
14 Re7 draw
15 Rf1 draw
16 Rh1 draw
17 Re2 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves