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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Rh6 win in 3 half-moves
5 Rh7 win in 3 half-moves
6 Kd6 win in 5 half-moves
7 Rf5 win in 5 half-moves
8 Ka6 draw
9 Ka8 draw
10 Kb8 draw
11 Ke4 draw
12 Ke6 draw
13 Kf4 draw
14 Kf5 draw
15 Kf6 draw
16 Rg5 draw
17 Rh3 draw
18 Rh4 draw
19 Rh8 draw
20 Kd4 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves