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

EGTB: draw

# move score
1 Kc1 draw
2 Kc2 draw
3 Kd1 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kg7 draw
8 Kg8 draw
9 Kh7 draw
10 Re1 draw
11 Re3 draw
12 Re7 draw
13 Re8 draw
14 Rf2 draw
15 Rg2 draw
16 Rh2 draw
17 Kc3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves