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 Ke5 draw
3 Ke6 draw
4 Kf4 draw
5 Kf6 draw
6 Kg1 draw
7 Kg4 draw
8 Kg5 draw
9 Kg6 draw
10 Kh2 draw
11 Ra3 draw
12 Rb3 draw
13 Rf4 draw
14 Rg3 draw
15 Rh3 draw
16 Ke4 loss in 2 half-moves
17 Rc3 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves