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 Kd5 win in 7 half-moves
3 Ke5 win in 7 half-moves
4 Rh7 win in 7 half-moves
5 Kf5 win in 11 half-moves
6 Rh8 win in 13 half-moves
7 Kc7 draw
8 Kc8 draw
9 Kd6 draw
10 Kdd7 draw
11 Kde7 draw
12 Ke8 draw
13 Ked7 draw
14 Kee7 draw
15 Kf6 draw
16 Kf7 draw
17 Rg6 draw
18 Rh1 draw
19 Rh5 draw
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves