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

EGTB: win in 4 half-moves

# move score
1 Kf6 win in 3 half-moves
2 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke1 draw
6 Ke6 draw
7 Ke8 draw
8 Kf7 draw
9 Kf8 draw
10 Rg4 draw
11 Rg7 draw
12 Rh1 draw
13 Ke2 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg8 loss in 2 half-moves