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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kfg1 draw
6 Kfg2 draw
7 Kh1 draw
8 Khg1 draw
9 Khg2 draw
10 Ra7 draw
11 Rh8 draw
12 Kg3 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves