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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc4 draw
5 Kd4 draw
6 Kd6 draw
7 Ke4 draw
8 Ke6 draw
9 Rg4 draw
10 Ka7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh5 loss in 2 half-moves