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 Kc1 draw
5 Kc2 draw
6 Kc5 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Ke1 draw
11 Ra7 draw
12 Rb7 draw
13 Rc8 draw
14 Rd7 draw
15 Re7 draw
16 Kd2 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves