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

EGTB: win in 4 half-moves

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