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

EGTB: win in 4 half-moves

# move score
1 Kf1 win in 3 half-moves
2 Kd1 draw
3 Kd2 draw
4 Ra8 draw
5 Rb8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf2 draw
10 Ke2 loss in 4 half-moves
11 Rf4 loss in 4 half-moves
12 Rf5 loss in 4 half-moves
13 Rf6 loss in 4 half-moves
14 Rf7 loss in 4 half-moves
15 Kf2 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves