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 Ra4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rh7 draw
7 Rh8 draw
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kgg2 loss in 2 half-moves
12 Kgh1 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Khg2 loss in 2 half-moves
15 Khh1 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves