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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kc4 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Ke4 win in 3 half-moves
6 Kb5 win in 5 half-moves
7 Rb3 win in 5 half-moves
8 Rc3 win in 5 half-moves
9 Rd3 win in 5 half-moves
10 Rf3 win in 5 half-moves
11 Ra4 win in 9 half-moves
12 Ke3 win in 11 half-moves
13 Kf3 win in 11 half-moves
14 Kc6 win in 15 half-moves
15 Ra1 win in 19 half-moves
16 Kb6 draw
17 Ke5 draw
18 Kf5 draw
19 Kg4 draw
20 Ra2 draw
21 Ra5 draw
22 Ra6 draw
23 Rh3 draw
24 Kd6 loss in 2 half-moves
25 Kg3 loss in 2 half-moves
26 Kg5 loss in 2 half-moves
27 Ra7 loss in 2 half-moves
28 Ra8 loss in 2 half-moves
29 Re3 loss in 2 half-moves
30 Rg3 loss in 2 half-moves