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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Kcd4 win in 3 half-moves
5 Kd3 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 Rf8 win in 3 half-moves
8 Rc5 win in 5 half-moves
9 Rc6 win in 5 half-moves
10 Kd5 win in 9 half-moves
11 Kd6 win in 9 half-moves
12 Ke6 win in 11 half-moves
13 Rc7 win in 11 half-moves
14 Ke4 win in 13 half-moves
15 Kc4 win in 15 half-moves
16 Kd2 draw
17 Ked4 draw
18 Kf6 draw
19 Ra8 draw
20 Rd8 draw
21 Re8 draw
22 Kb2 loss in 2 half-moves
23 Kf4 loss in 2 half-moves
24 Kf5 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves