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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Ke1 draw
9 Ke2 draw
10 Ke5 draw
11 Ke7 draw
12 Kf6 draw
13 Kf7 draw
14 Rc8 draw
15 Rd8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re7 loss in 2 half-moves