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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Kc7 win in 5 half-moves
3 Kd7 win in 5 half-moves
4 Kdc5 win in 5 half-moves
5 Ke7 win in 5 half-moves
6 Rc5 win in 7 half-moves
7 Rc7 win in 7 half-moves
8 Ke6 win in 9 half-moves
9 Kc3 draw
10 Kcc5 draw
11 Kdd5 draw
12 Rc8 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kcd5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb6 loss in 2 half-moves