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

EGTB: win in 4 half-moves

# move score
1 Kc8 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Rh8 win in 5 half-moves
4 Ka7 draw
5 Ka8 draw
6 Kb7 draw
7 Kc7 draw
8 Kd4 draw
9 Kd5 draw
10 Ke4 draw
11 Ke6 draw
12 Kf4 draw
13 Kf5 draw
14 Rf5 draw
15 Rg5 draw
16 Rh1 draw
17 Rh6 draw
18 Rh7 draw
19 Kf6 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves