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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kgf6 draw
3 Rf7 draw
4 Kd4 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Ke4 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Kef4 loss in 2 half-moves
10 Kef6 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kgf4 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf8 loss in 2 half-moves