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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kd4 draw
3 Kd5 draw
4 Ke4 draw
5 Kf4 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg4 draw
10 Rg6 draw
11 Kd6 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh5 loss in 2 half-moves