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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 K4g4 draw
3 K4g5 draw
4 K5g5 draw
5 Kg6 draw
6 Kh6 draw
7 Re8 draw
8 Rh7 draw
9 K5g4 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves