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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Rc2 draw
3 Re2 draw
4 Rf2 draw
5 Rg2 draw
6 Rh3 draw
7 Kf7 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Rh1 loss in 2 half-moves