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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rh7 win in 9 half-moves
3 Rh8 win in 11 half-moves
4 Ka6 draw
5 Ka8 draw
6 Kb6 draw
7 Kb7 draw
8 Kb8 draw
9 Kd6 draw
10 Kd7 draw
11 Ke5 draw
12 Ke7 draw
13 Kf5 draw
14 Kf6 draw
15 Kf7 draw
16 Rg6 draw
17 Rh1 draw
18 Rh5 draw
19 Kd5 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