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 Kc8 draw
4 Kd7 draw
5 Kd8 draw
6 Rd7 draw
7 Re1 draw
8 Re6 draw
9 Re8 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves