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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rg5 win in 3 half-moves
4 Kf2 win in 5 half-moves
5 Kf3 win in 5 half-moves
6 Kf4 win in 5 half-moves
7 Kg2 win in 5 half-moves
8 Kg4 win in 5 half-moves
9 Kh2 win in 5 half-moves
10 Kh3 win in 5 half-moves
11 Kh4 win in 5 half-moves
12 Re8 win in 5 half-moves
13 Rf8 win in 5 half-moves
14 Rg6 win in 5 half-moves
15 Rg7 win in 5 half-moves
16 Rh8 win in 5 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves