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 Ke1 draw
7 Ke2 draw
8 Kf2 draw
9 Kg1 draw
10 Kg2 draw
11 Rd8 draw
12 Re1 draw
13 Re2 draw
14 Re3 draw
15 Re7 draw
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