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 Rf1 draw
3 Rf2 draw
4 Rg7 draw
5 Rh7 draw
6 Kc7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kdd7 loss in 2 half-moves
10 Kde8 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ked7 loss in 2 half-moves
13 Kee8 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf8 loss in 2 half-moves