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

EGTB: win in 4 half-moves

# move score
1 Kf3 win in 3 half-moves
2 Ra3 draw
3 Rb3 draw
4 Kf4 loss in 2 half-moves
5 Kf5 loss in 2 half-moves
6 Kg5 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Kh3 loss in 2 half-moves
10 Kh4 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh7 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves