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

EGTB: draw

# move score
1 Kb7 draw
2 Kc7 draw
3 Kd7 draw
4 Kd8 draw
5 Kf1 draw
6 Kf2 draw
7 Kg2 draw
8 Kh1 draw
9 Kh2 draw
10 Rd8 draw
11 Re1 draw
12 Re2 draw
13 Re3 draw
14 Re7 draw
15 Kb8 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves