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

EGTB: draw

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