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 Kf5 draw
3 Kg7 draw
4 Rf2 draw
5 Kf6 loss in 6 half-moves
6 Kf7 loss in 6 half-moves
7 Kh5 loss in 6 half-moves
8 Rh8 loss in 6 half-moves
9 Kh6 loss in 4 half-moves
10 Rg8 loss in 4 half-moves
11 Kh7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves