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

EGTB: win in 4 half-moves

# move score
1 Rh2 win in 3 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kgg2 draw
5 Kgh2 draw
6 Khg2 draw
7 Khh2 draw
8 Ra8 draw
9 Rg8 draw
10 Rh3 draw
11 Rh7 draw
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves