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 Kg3 win in 3 half-moves
3 Kh2 win in 3 half-moves
4 Kh6 win in 3 half-moves
5 K3g4 draw
6 Re4 draw
7 K5g4 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rg4 loss in 2 half-moves