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 Kd3 win in 5 half-moves
4 Kd4 win in 5 half-moves
5 Kc4 win in 7 half-moves
6 Rb6 win in 7 half-moves
7 Ra6 win in 9 half-moves
8 Kb2 draw
9 Kc2 draw
10 Kd2 draw
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd7 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 Rc4 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves