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 K1g1 draw
3 K1g2 draw
4 K2g1 draw
5 K2g2 draw
6 Kg3 draw
7 Kh3 draw
8 Rb8 draw
9 Rh4 draw
10 Ra8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves