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

EGTB: win in 4 half-moves

# move score
1 Kf4 win in 3 half-moves
2 Kf6 win in 3 half-moves
3 Rh6 win in 3 half-moves
4 Kd5 win in 7 half-moves
5 Kd6 win in 7 half-moves
6 Ke4 win in 7 half-moves
7 Ke6 win in 7 half-moves
8 Kf5 win in 7 half-moves
9 Kg6 win in 7 half-moves
10 Kg7 win in 7 half-moves
11 Kh6 win in 7 half-moves
12 Rf5 win in 7 half-moves
13 Rg5 win in 7 half-moves
14 Kd4 draw
15 Kg8 draw
16 Kh8 draw
17 Rh3 draw
18 Rh4 draw
19 Rh1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves