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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Rg6 win in 5 half-moves
3 Kg4 draw
4 Rg8 draw
5 Kf4 loss in 2 half-moves
6 Kf5 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Ra7 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves