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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Kc6 win in 5 half-moves
4 Kc7 win in 5 half-moves
5 Kc8 win in 5 half-moves
6 Kd6 win in 5 half-moves
7 Kd8 win in 5 half-moves
8 Ke6 win in 5 half-moves
9 Ke7 win in 5 half-moves
10 Ke8 win in 5 half-moves
11 Kg6 win in 5 half-moves
12 Kg8 win in 5 half-moves
13 Kh8 win in 5 half-moves
14 Rh3 win in 5 half-moves
15 Rh4 win in 5 half-moves
16 Rh5 win in 5 half-moves
17 Kh6 win in 7 half-moves
18 Kf6 draw
19 Kf7 draw
20 Kf8 draw
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves