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

EGTB: win in 4 half-moves

# move score
1 Kg5 win in 3 half-moves
2 Ke3 draw
3 Kg6 draw
4 Kg7 draw
5 Kh5 draw
6 Kh7 draw
7 Re3 draw
8 Rf8 draw
9 Rg3 draw
10 Rh3 draw
11 Kc2 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves