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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kgf8 draw
3 Kgg6 draw
4 Kgg8 draw
5 Rh1 draw
6 Rh2 draw
7 Rh3 draw
8 Rh4 draw
9 Rh5 draw
10 Ke6 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kfg6 loss in 2 half-moves
13 Kfg8 loss in 2 half-moves
14 Kff6 loss in 1 half-moves
15 Kff8 loss in 1 half-moves
16 Kgf6 loss in 1 half-moves
17 Kh6 loss in 1 half-moves
18 Kh8 loss in 1 half-moves
19 Rh6 loss in 1 half-moves
20 Rh8 loss in 1 half-moves