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 Kb5 win in 5 half-moves
3 Re8 win in 5 half-moves
4 Kd5 win in 7 half-moves
5 Ka5 win in 9 half-moves
6 Rf8 win in 11 half-moves
7 Rh8 win in 11 half-moves
8 Kb4 draw
9 Kc6 draw
10 Kc7 draw
11 Kd7 draw
12 Ke5 draw
13 Ke6 draw
14 Ke7 draw
15 Ra8 draw
16 Rd7 draw
17 Rg8 draw
18 Ka3 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves