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

EGTB: draw

# move score
1 Kc4 draw
2 Kc5 draw
3 Kd4 draw
4 Ke4 draw
5 Re1 draw
6 Re2 draw
7 Re3 draw
8 Re4 draw
9 Re6 draw
10 Rf5 draw
11 Rg5 draw
12 Rh5 draw
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves