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 Ra4 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Kb6 win in 5 half-moves
6 Rb3 win in 5 half-moves
7 Kc7 draw
8 Kcc6 draw
9 Kcd5 draw
10 Kd7 draw
11 Kdc6 draw
12 Kdd5 draw
13 Ke5 draw
14 Ke6 draw
15 Ke7 draw
16 Ra5 draw
17 Ra6 draw
18 Ra8 draw
19 Rf3 draw
20 Rg3 draw
21 Rh3 draw
22 Kc4 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Re3 loss in 2 half-moves