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

EGTB: win in 2 half-moves

# move score
1 Rh2 win in 1 half-moves
2 Kg7 draw
3 Rf4 draw
4 Rh5 draw
5 Rh6 draw
6 Rh7 draw
7 Ka7 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kg8 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Kh7 loss in 1 half-moves