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

EGTB: win in 4 half-moves

# move score
1 Ka8 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Kc6 win in 3 half-moves
6 Kc7 win in 3 half-moves
7 Kd7 win in 3 half-moves
8 Ke6 win in 3 half-moves
9 Ke7 win in 3 half-moves
10 Rb8 win in 3 half-moves
11 Rc8 win in 3 half-moves
12 Rd7 win in 3 half-moves
13 Re8 win in 3 half-moves
14 Kd5 win in 5 half-moves
15 Ra8 win in 5 half-moves
16 Ka6 draw
17 Kb6 draw
18 Rf8 draw
19 Ke5 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves