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

EGTB: win in 4 half-moves

# move score
1 Ke6 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd5 draw
5 Kd7 draw
6 Ke5 draw
7 Ke7 draw
8 Kg1 draw
9 Kg2 draw
10 Kg3 draw
11 Kh1 draw
12 Kh3 draw
13 Rc8 draw
14 Rd7 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Kc5 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb8 loss in 2 half-moves