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

EGTB: win in 4 half-moves

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