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

EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Rg2 win in 3 half-moves
3 Rh6 draw
4 Ke1 loss in 2 half-moves
5 Ke2 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Kf1 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kg1 loss in 2 half-moves
10 Kg3 loss in 2 half-moves
11 Rh1 loss in 2 half-moves
12 Rh3 loss in 2 half-moves
13 Rh4 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Rh8 loss in 2 half-moves