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 Ra2 draw
3 Rb2 draw
4 Rh1 draw
5 Kf3 loss in 2 half-moves
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kgg3 loss in 2 half-moves
10 Kgh4 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Khg3 loss in 2 half-moves
13 Khh4 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg2 loss in 2 half-moves