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

EGTB: win in 4 half-moves

# move score
1 Kh3 win in 3 half-moves
2 Kd3 draw
3 Kg2 draw
4 Kg4 draw
5 Kgf2 draw
6 Kgf4 draw
7 Kh2 draw
8 Kh4 draw
9 Rf1 draw
10 Kd2 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kef2 loss in 2 half-moves
15 Kef4 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves