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

EGTB: win in 6 half-moves

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