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

EGTB: draw

# move score
1 Kb5 draw
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Rc2 draw
9 Rc5 draw
10 Rd1 draw
11 Re1 draw
12 Rf1 draw
13 Kd7 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves